“How did a giant company like Chamberlain come to this enshittening juncture, in which it felt empowered to sabotage the products it had already sold to its customers?”

Link. “Chamberlain doesn’t have to worry about competition, because it is owned by a private equity fund that “rolled up” all of Chamberlain’s major competitors into a single, giant firm…”

Doctorow taught me a lot with this one.