So you buy something else like Nest, and then google buys the company and removes your functionality anyways. That is, if vendor lock in will even allow you to

So you buy something else like Nest, and then google buys the company and removes your functionality anyways. That is, if vendor lock in will even allow you to get some other product without having to replace every device in your home (and hope this new vendor doesn't do the exact same within a few years). Fair consumer protection regulations are necessary in modern society, the "vote with your wallet" strategy doesn't scale.