This is ridiculous. How is it arrogant if they even state they don't want to disappoint their fans, by not having enough new things to show? If anything that's humble and the opposite of arrogant. It would be arrogant if they boasted a huge show up for nothing. 

They have also stated that they have new and inventive plans, so you'll have to wait until you can call it anything atm.

Not saying it will be difficult (like PS3 levels); however, Nvidia has made it very difficult for AMD to compete in the graphics space. I don't know if you remember direct X 10.1 where AMD cards showed a great improvement over Nvidia at that time, but it was silently dropped by developers, Why? Well look up Nvidia practices. It's very difficult to compete when your competitor holds the narrative. AMD has been fighting an uphill battle when benchmarks and software favor your competitor's technology over their own; but what if there was a place where AMD could squeeze itself in and promote its technology, enter the consoles; which is why I am very excited for the PS5. This partnership between Sony and AMD engineers could prove quite interesting. I'm sure they both have something to prove, and cornered markets to disrupt.

Future AMD technologies in Navi may not be fully implemented or utilized in PC game development, but Sony has very talented studios that can fully take advantage of Vulkan and Navi hardware, which, I hope, will encourage all game developers to code with the best tools out there, and not the most sponsored ones; further hoping, that it will disrupt the strong hold Nvidia has over game development. A nice battle of which tech is better, more efficient, and more cost effective. What more can consumers want?

Between your first and second paragraph there's a gap… of the size of a year.
You are really ok with Sony being radio silent when others are active?

I get that Sony dominated this gen, but MS showed that they can rival Sony.

Don't take Sony winning next gen for granted. With a new gen anything can happen - and MS won't be stupid to commit the same mistakes.

The reveal in December 2019 and launch in March 2020m sounds reasonable.
Not a whole different from what Nintendo did.

The thing is, Nintendo could afford doing the reveal in October.
Wii U was pretty much dead, so, Christmas wasn't ruined for Nintendo.
But Sony has a hot product on their hands and revealing a console days or months before Christmas 2019 will really hurt them.

It's obvious that Sony will advertise the reveal as if there's no tomorrow and that will create a lot of buzz.
Should Sony really do the reveal (December 2019) so close to launch (March 2020)?

I believe that depends on how sony does it. Sony could launch at $500 if doing it under a monicker of like 25th anniversary PS5 Founders edition. Sell it at $500 for that first 6-8 months after launch when the console wpuld usally be bought by the loyalists anyways and the around november release a $399 SKU called the base model.

All it takes is some different colored plastic and its done.

A year of radio silence isn't a big deal if played right. Firstly sony is still releasing at least 2 games next year. So its not like they aren't doing anything at all.

I think something is clear here. They cannot come and talk about anything new outside what we already know because everything new is on PS5.

And with the right stealth marketing.... a leak here and there, declerations of a great PSX 2019. Sony will firmly still have mind share leading up to PSX 2019 and then all they have to do is announce the PS5 and talk it up a bit and show a couple of trailers. And thats all anyone will be talking about right along side whatever MS shows because I believe at e3 219 MS will show the XB2.

Unfortunately for MS, they require sony to make some realy big stupid mistakes for them to have another 360 effect. That remains to be seen. 

All points those game want be released before PS5 launch, even Sony don't mention them any more. If they releasing them on PS4 before PS5 launch, than they could easily have onother E3 2019. focused on PS4, while they skipping hole E3 and that clearly saying they dont want to talk about those games from some reason yet (and obviously its PS5).

“Now that we have ‘Spiderman’ out the door, we’re looking down in 2019 to games like ‘Dreams’ and ‘Days Gone’ but we wouldn’t have enough to bring people altogether in some location in North America to have that event,” Layden said.”We don’t want to set expectations really high and then not deliver on it.” - Shawn Layden via the article.

Wishful thinking from your side? If the PS5 releases holidays 2020, which is the most likely scenario, Death Stranding possibly releasing end of 2019 and a whole year left for the “big hooray send-off” of PS4, with Ghost of Tsushima, The Last Of Us p2 and eventually even Horizon 2 releasing in 2020...what sound unrealistic about that? You honestly think they’ll all release in 2021? 

very disappointed with this news. always loved e3 week.

dont like poor man austin powers, he is no andrew house or jack trenton.

Most probably because they are preparing the PS5 event. When? Dont know. LOL