The only logical answers are:
PS4 hasn't changed in price showing confidence in the product
PS4 is more powerful
PS4 has better install times
PS4 has more games total
PS4 has a significantly worldwide user base advantage
(people want the more popular system, the more popular system generally gets more world wide support)

All other arguments are subjective such as I prefer system A exclusives over system B, or I prefer the OS of system A over system B. We will get no where analyzing something subjective. Right now PS4 just appears to be the better system by the numbers.

Microsoft has a strong chance for taking over November though. This is going to be the make or break month for Microsoft to be competitive in the US.

I agree with your point but just to explain something about the gameplay demos... even games supposed to be marketed on Xbone like CoD: Ghost have this gameplay demo showed on PS4 because the Xbone version was not finished yet and it was subpar compared with PS4 version.

Publishers will choose the best version to show: PC or PS4 (when they want to show the console version)... it is not biased but the fact they have the game ready first with PS4 (easy to developer and optimize) and the quality is better too.

I can't blame publishers because they did that with 360 last gen too... the games are ready first and in better quality on 360.

They're not games silly!

Or course they are Indies.

LOL  I'll admit that most PS3 games don't reach their full potential in sales but a few things:

1) The Uncharted Series has sold almost exactly as well as the Gears series so I wouldn't say it "just" sold 6.5m.

2) It shouldn't be a surprise that when a console has twice as many big exclusives they tend to sell a little less each.

3) Just because each exclusive doesn't sell 10m copies, doesn't mean they aren't moving consoles.  At this point it can be compared to why people buy Nintendo consoles:

-I don't like Zelda or 3D mario's, but some day I might get a Wii U for SSB and Paper Mario.  Those are the games I get it for. 

-On the other hand one of my friends might not care for those games but love Mario 3D World, Donkey Kong, and Mario Kart.

-Gaming tastes overlap but each one requires at least a few of their favorite franchises to get on board with a new generation.

-So consider that I may love Demon's Souls, Killzone, and Uncharted; while a friend of mine loves Uncharted, GT, and GOW.  They all need to be there to draw a large and diverse crowd.

Well yeah of course, but keep in mind that doesn't change my point.  It helped the 360 a ton, and now it helps the PS4 that it is percieved as the "default" console.

Its actually pretty simple. When Sony doesn't screw up like they did with the PS3, mind you ~80 million really isn't a screw up, they own the console market. They have shown that with the PS1, PS2, and yet again with the PS4. Time and time again people say that Sony has no 'gahmz' yet they are the ones with the most games every single generation. They have the most studios working for them making top notch quality games. Microsoft really didn't screw up, but rather Sony made them look REALLY bad since they are their main competitor. Just look back at E3 2013 where it all started to see what I am talking about. This took place in America and they were humiliated because Sony made them look ridiculous.

Nintendo learned very quickly that they simply could not compete with Sony and therefore targeted a different audience. You see cheap shots at Microsoft from Sony all the time yet you never see them do that to Nintendo. Microsoft is learning the hard way that Sony has locked up the home console market.

MS fucked up with their pricing, hardware and overall presentation but they moved past the pricing and presentation, issues, the hardware will always be a main problem for them but the biggest problem I see is them creating their own by simply allowing all XB1 exclusives to hop to PC, now I game on PC myself and I don't mind ports (as long as they are good) but really if they want me to grab an XB1 they are going to need permanent exclusives that aren't going to any other platform, like Sony has done the past decade and more, simply hold them down and give us reasons to own the damn thing, don't simply piss all reasons away because you can't think of a better way to appease the high standards PC crowd, get your PC division back on track to keep their attention instead, that way both markets can remain happy and have their own exclusives.

Because M$ is still reeling from the bad PR the X1 got pre-launch, despite the fact that the X1 and PS4 are essentially 2 sides to the same coin, and their libraries are more than 95% similar, with only a handful of exclusives being the difference between the two.

Things like "resolutiongate" have probably moved more PS4s than anything else.

The whole resolutiongate was created by MS themselves with the "We are MS... so do you think we will give up 30% the performance to Sony".

They tried to sell something better than what they have.