This kind of stuff is not, in general, possible to verify. You will always be trusting someone to be doing what they say they are doing. This isn't a bad thing

This kind of stuff is not, in general, possible to verify. You will always be trusting someone to be doing what they say they are doing. This isn't a bad thing. Society is built on trust. All it means is that there needs to be consequences for breaking that trust, to keep everyone honest.