Probably because the algorithm steam uses to promote games doesn’t throw the crap stuff on the front page most of the time. So no one feels like they’re paging through tons of spam to find the game they’re looking for.

The flip side is that means if you’re new, and write a good game, you better advertise it yourself, or it will die in obscurity.

The RAM shortage is going to make them a lot of money. Aside from the price hike now, when RAM becomes sane again they can release 16GB versions of the same cards so they don’t even have to come up with new chips.