I don't think the comment is harsh.  It's realistic.  There's really no variety of games on his channel and no guarantee that you'll actually get one of 100 PS4s.  Now the owner of the channel may have 100 PS4s to give away, but the money you'd make from 1000 subscribers much less 100 is insignficant.  So you really think someone is going to throw $4000 away in hopes that they'll get big on Youtube because that's clear what they want.  They want an easy way to make money by listing a bunch of popular Youtube videos, which is the reason why, without videos to back it up, the Youtube channel states that there are games like Final Fantasy, Assassin's Creed, GTA5, etc, when all there is right now is CoD and BF4.

While not directed towards me, I do actually have a Youtube channel with a variety of games.  https://www.youtube.com/user/kupomogli although I'm not currently attempting to make a profit off it.  Almost everything on my channel is niche most of which won't reach 10k.  I post the videos because they're games I'm interested in, not to make a profit. 

A picture with an on-paper note as Tachikoma mentioned would be ideal to put at least some of the scepticism people may have at ease.

One word of advice though. Or more a personal observation. I noticed you keep calling the content "great" in this topic, and even in a video you start off with "I am here bringing you another great video".

Whether the viewer finds it great or not is a matter of subjective taste. Proclaiming it to be great youself kinda comes off as pretentious.
Now I don't know if you've studied other successful Youtube channels such as Angry Joe Show, The Rad Brad, or perhaps Maximillian Dood is a better example since he makes a lot of videos with the purpose of helping players learn the games more. But I've never seen them proclaim that their videos are great in any of their videos. They leave that up to the viewer to decide in the end.

Right, but when IGN review a game and give it a great review, they are calling someone else's work great, not their own.
That's what I was trying to point out. Giving yourself props for your own work.

Even if you just want people to view and enjoy the videos, there are definitely people who wouldn't even give the rest of the video a chance if they feel the presentation is unprofessional, pretentious or annoying. Not when there's so much else out there to chose from. Not saying that you necessarily are though. But presentation may be just as important as the content itself. Word of mouth gets around, which gives you the opportunity to reach out to more viewers, and so on.

Hmm, well in that case, could you give me one example of a successful Youtube channel that starts off their videos by complimenting their own work in this manner then? I can't recall seeing that.

And of course, you may be saying it simply because you're excited. But it may not come across that way to everyone.
And you can't please everyone either of course, as some people will no doubt not like some of your videos whether you proclaim them to be great or not.
So what's the difference? Well, rather than the viwer simply not enjoying a single video, this can also creates a sense of disagreeing with your opinion and taste as well. Which may very well affect their decision to watch any more of your videos. "If you think that video was great, then I doubt there's anything here of interest for me".
I'm sure The Rad Brad doesn't think that every single video he's uploaded is great. But he does it anyway. And he doesn't tell us what he feels of his own work. Just what he thinks of the actual game.

If you really insist on expressing how amazing your content is before the viewer has watched it, then I would probably go with a slightly more ambigous term, like awesome.

Anyway, just trying to clarify my point better, and I think I've done that now.
This is just my feedback, and what you chose to do is up to you.

 we are not in it for the money, we are in it to make friends. All my friends already like any videos we have put up and think they are great. 

Exactly. So basically we are almost half way to our goal already... once we hit 100 subs and we see that some people have watched the videos then we will pick our winner. We dont want people just to sub and not watch anything because the content is good and we even have other games we ar putting up later today. Some videos will have commentary and some wont.

In this forum, yes. Not being nice to everyone regardless of what they're saying is a cardinal sin here and will get you banned.

Better give up before someone successfully reports you to the authorities.