Most of those people are not going to get all that far learning advanced mathematics, unless they spend serious amounts of time and effort. But sure, I wouldn’t

Most of those people are not going to get all that far learning advanced mathematics, unless they spend serious amounts of time and effort. But sure, I wouldn’t want to discourage them from giving it a shot. Personally I am not an academic, I never went to grad school, and I do lots of self-studying of various technical topics, up to hopefully some reasonable level of understanding.