I have had bad experience with their apps, I don't particularly remember what it was as it was a few years ago but it was their notes app. They limit some basic features and push you to buy their premium versions.
Anecdotal - I had a account in one of the largest english mastodon instances for a few years now and have seen multiple waves of twitter exodus into mastodon. Server becomes extra lively for a few weeks and then it returns to normal. None of these people last.
This is where Monero (a cryptocurrency with anonymity built in) could have been able to hide the donors identity from being shared with the government.
I don't understand where there is a kill switch when you can just turn off your vehicle using the key? Besides killing the engine will mean no power to the brakes and steering as well.