Oh, we know what happened, *technically* speaking. Chamberlain shut off the API for its garage-door openers, which breaks their integration with home automation systems like #HomeAssistant. The company even announced that it was doing this, calling the integration an "unauthorized usage" of its products, though the "unauthorized" parties in this case are the people who own Chamberlain products:

https://chamberlaingroup.com/press/a-message-about-our-decision-to-prevent-unauthorized-usage-of-myq

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We even know *why* Chamberlain did this. As @arstechnica's @RonAmadeo points out, shutting off the API is a way for Chamberlain to force its customers to use its ad-beshitted, worst-of-breed app, so that it can make a few pennies by nonconsensually monetizing its customers' eyeballs:

https://arstechnica.com/gadgets/2023/11/chamberlain-blocks-smart-garage-door-opener-from-working-with-smart-homes/

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But *how* did this happen? 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? How can this be legal? How can it be good for business? How can the people who made this decision even look themselves in the mirror?

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To answer these questions, we must first consider the forces that discipline companies, acting against the impulse to enshittify their products and services. There are four constraints on corporate conduct:

I. Competition. The fear of losing your business to a rival can stay even the most sociopathic corporate executive's hand.

II. Regulation. The fear of being fined, criminally sanctioned, or banned from doing business can check the greediest of leaders.

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III. Capability. Corporate executives can dream up all kinds of awful ways to shift value from your side of the ledger to their own, but they can only *do* the things that are technically feasible.

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