Comment by vintageseltzer

Even if manufacturers behave nicely, there is still the possibility that the devices are eventually somehow compromised by bad actors and used nefariously.

For example, the CIA developed and deployed a program to use the built-in microphone on Samsung "smart" TVs to spy on targets, even when it looks like it's off: https://www.theverge.com/2017/3/7/14841556/wikileaks-cia-hac...