I earn 2-3M per decade not including investments or IPO. I've sent multiple children to a University. Giving my children 60K-290K in cash while they were studying is not something that crossed my mind once. In fact I would argue you're supposed to struggle a little bit in college.

According to Elon's dad, he was rich:

‘I drove them to school in a convertible Rolls-Royce Corniche, they had thoroughbred horses to ride and motorbikes at the age of 14. They were spoilt, I suppose. Maybe that’s why Elon is acting like a spoilt child now,’.