in the hands of a purely profit-oriented company they would make enormous amounts of money and milk the site until its demise a couple of years in
and in addition they could have very targeted advertising for the highly specialised subreddits.
but aggressive money-making surely would destroy the community and turn the site into a superficial link-collection with comments in the style of youtube but you could milk it for a couple of years and earn a lot
It's a top 50 website. With the right management (which it doesn't have), it could be THE community site on the web.
Newspapers sold ads based on circulation for over a hundred years. TV shows sell on ratings. Why would valuing websites on the same basis be a bubble?
It's like every effort to try and introduce revenue is taken timidly, like some nervous kid trying to ask out a girl on a first date only to shy away before saying anything. Seriously? You have billions of page views. Figure it out.