I think the root issue is lack of consumer awareness and informedness.
In an ideal spherical free market in a vacuum, nobody would buy even slightly enshittified things, because a rational educated consumer understands how it erodes the whole market and thus harms them personally.
In reality, of course, consumers frequently barely know anything about what they’re buying, and en masse will happily trade away any rights for a meager discount (or nothing at all), without even really knowing it. The worst part is that there is no effort to fix this - only some crutches and legal duct tape to protect consumers from most blatant abuse.
I suspect that with information gaps and lack of full transparency, no matter if it’s some perfect free market capitalism, textbook utopian communism, or anything realistic in between - things are still going to be broken (just with different flavors).
In other words, capitalism is a distraction, and lack of even just a strive to have true well-informed competition (which is fundamental to any socioeconomic model, not just capitalism) is the reason we can’t have nice things.