Last week my thermostat had an update. After a reboot it showed an ad on the homescreen replacing a tile I put there. What is going on in this world that some

Last week my thermostat had an update. After a reboot it showed an ad on the homescreen replacing a tile I put there. What is going on in this world that some people think this is ok? I will never update the device again and disconnect it from the internet. So the people who thought it was a good idea gained absolutely nothing. It is also the reason I keep using Linux.