[ysavir]

> that it's on Amazon's server is a side effect of both not caring enough and not knowing how to host it locally.

Those situations happen, but I they're actually a significant minority. For most, how these things work is completely magic. It's not that they don't care, it's that they have no knowledge of how the tool works. They know that they press a button on their phone and their door unlocks, and so are satisfied that it works as intended. That there is anything more to consider isn't on their radar.