Price per page, or quality? Because on the latter count I'm somewhat in sympathy.
Actually, yes I am - because the point at which WotC increased the prices for 5e also happens to coincide with the game exploding in popularity. I'd tend not to argue that the price rise caused the surge (although stranger things have happened), but it clearly didn't hurt.
We've seen a ratcheting up of price-per-page at the same time quality has either remained constant or decreased, I'd suggest. What we definitely haven't seen is increased quality. You might make an argument with 4E, for example, that a lot of later books were in fact, better-written than earlier books (you could also argue the opposite, but it's possible). But I can't see any way to make that argument with 5E. Perhaps that speaks well of 5E in that most early books were good (ignoring adventures, but they were always bad and have been since 3E in general), but certainly we're not getting a better deal quality-wise.
Re: price-rise, WotC didn't raise the prices on the books the newer players are likely to primarily be buying, I note, they raised the prices on stuff that grogs, fans, and collectors are likely to be buying, together with a small percentage of the newer players. So I think that's interesting.
What the pricing is on the 2024 editions of the PHB/DMG/MM will be absolutely fascinating and controversial whatever direction they go in.
Moving on from boring arguments about Overpricedjammer, what are people's predictions for the page counts and prices on the 2024 "big three"?
My guess is $69.99 for each, but a boxed set that reduces that to $199.99, and Amazon to reduce further from there. I also predict people will be super-annoyed about the fact that most of the material will not be new, and a lot of the updates will be either minor or unwanted, and the old "big three" will go out of print.
Another interesting point is art - will the "big three" have all-new art? My prediction is that the art will be all-new TO THOSE BOOKS but will include new art and re-used art from other 5E D&D books and from MtG (which is fine), but not art from the previous editions of the same books. If it's truly all-new I'll be impressed.