[abel_]

The problem with software-controlled permissions is that nation-state actors (who have unbounded resources) can snoop on your private matters with significantly greater ease.

At least with a hardware switch, someone would have to physically intercept the air waves in the room you're in. In software, the surface for OS-level vulnerabilities is massive, and state sponsored mass surveillance just gets easier.

Sadly, this is a trade-off we have made as a society for "ergonomics".

[yathaid]

This line of argument is bikeshedding at it's finest.

If Mossad is out to get you, they are going to get you, no matter what you do. The threat model for 99.999% of the population doesn't include bespoke attacks from three letter agencies.