I think there are a thousand wannabe companies all trying to suck up as much data as they can; not a sustainable situation in any way.
There was a paper about webcrawlers circa 2000 that pointed out that the vast majority of academics who ran webcrawlers never published a paper based on their work.
Sounds like all the kids who want to make a video-game and start with building a game engine.
What makes you think that only a dozen or so foundation AI companies are scraping?