It would be great for my industry. I’m in the trades and sometimes worry on jobs that I could get put in situations where it’s a he said she said kind of thing. Having video of everything I’ve done would be handy. Also if someone happens to be a wanted felon and I could get some money from crime stoppers through facial recognition, that could be handy too.
Here in Canada rule is generally that you speak one of the two official languages when working (English or French). I would think the same thing would go for whatever other country you’re in. Official language(s) only.