There are also doctors who are anti-vaccine, financial planners who don't max out 401ks, sysadmins with unpatched home systems, etc. Just because someone could possibly know that the thing they're doing is illogical doesn't mean they act on that knowledge.

> There's a reason Zukerberg's laptop has its mic and camera tapped up

This is an incredibly weakly phrased argument; there's a reason people are flat-earthers as well. The existence of a reason does not automatically make that reason a good one.

I actually take his webcam tape to mean that his security group (which includes people who have serious hardware chops) doesn't think that the investment in a better option is worth it.

Lastly, about that 0day argument. Many camera LEDs are implemented in hardware, which means instead of hardware prevention they have hardware detection. There are reasons for both, and neither is unambiguously better.