It's very telling when the CEO of the company puts stickers on his cameras. Bug or not, I guess it's better to follow suit with those that know what's going on. https://simplecapacity.com/wp-content/uploads/2016/07/Mark-Z...
There’s also people looking to crack huge swathes of the population, but state level actors seem more interested in breaking key individuals for blackmail, and espionage.
Although some state level actors are interested in mass surveillance as well.
Tl;dr: yes, Zuckerberg has more to worry about with his devices than the average individual.