The main problem is - there are BY FAR more kids who want to upload videos than there are serious advertisers who want to show their ads. And there is nothing actually we can do about that.
I doubt that.
They are two of the most popular content on YouTube at the moment, so for you to say "Advertisers don't care where their adverts are on YouTube, so long as they're not associated with criminal activities and so long as they get exposure, otherwise, they're a waste of money.
The truth is, Google will not tell us what type of videos earn money so don't talk like you know what's what. The fact you're criticising let's play's and top10's shows me you've probably tried both of these and failed miserably so, of course, that's your fault, not YouTube.
The standard for adsense is $1/1000 views, it still is. However, sometimes a video will earn a lot less than $1 per 1000 views depending on the content and what advertisers are trying to advertise, their advertising budget and it also depends on the cost of advertising.
As more advertisers approach Google, more YouTube videos are created. So the supply is always going up, therefore the cost of advertising is going down because there's less demand because there's only a certain amount of advertising. I'm sorry but this is economics, you can't change that. If you want to make changes, then you need to stop so many videos being uploaded to Youtube
You shouldn't be on YouTube just for the money, if you're there for the money then viewers will see you're not genuine and don't genuinely care about them, they won't watch your videos, or you won't get the right sort of audience for your videos... that's one thing I've overlooked;
If your channel is being viewed by 90% young people, well... a company who's target market is people who are 50 years old or older, well.. of course they'll pay a LOT less to advertise on your video than they would a video which is watched by mostly 50 years old and older.
My advice to you is this:
Look at your analytics. Look at your audience. Try catering for a different target audience.
The simply change in audience could be the difference between 0.1/1000 views and 10/1000 views (it isn't set at just 1/1000 views, some people have earned a few quid on one video with just a few hundred views).
[Edited by Staff]