But it's a self-perpetuating death loop problem. At those prices, the only buyers are extreme fans buying it almost more like a merchandise item (compare figurines) than people who want to view the content. I know this is a thing in Japan-- the anime releases tend to be a few episodes at a time, at prices that would be considered astronomical most places.
There are potentially many market equilibria-- selling 200 copies at $100, 400 copies at $50, or 1000 copies at $10.
If they switched to a bargain-priced model, you enable tsundoku-style purchasing-- put up a big display of "here's a hundred back-catalog series, 13 episodes on two DVDs in a flimsy cardboard sleeve for 1000 yen each", people would be willing to take much more risk on buying them.
Arguably, there's a lot of information being lost because they only see purchase data of people hardcore enough to pay the current high prices. (I wonder if to an extent this impacts anime's tendency for fanservice choices-- they're chasing an artificially narrow market)
There's still the opportunity for price-discrimination for fanatics with limited editions with better packaging, extra content, and feelies.
It's interesting to contrast that the price of manga was almost impossibly low. In Japan, (at least it used to be) like 1/3 the price as in the US for a 200-page volume, and the omnibus magazines were pretty cheap, which made it more amenable to risk-taking purchases.