College isn't for everyone. Some people aren't geared for it and guess what, quite a lot of them do well having gone right to work and not building up the massive debt that comes with going to college. College has been propped up too much (and I have several degrees, been though college a lot longer than I would like to say, however, it was all debt free (one reason why it took so long), something that people today need to take into consideration, by the time that I finished compared to when I started, I saw the change in how things were being taught and what was being taught.
Oh and by the way, NYU fired a prof in organic chemistry because he was class was "too hard". A known weed out class, now matter where one goes, it is supposed to be hard. It's supposed to separate the chaff. Most people would want that weed out course.
Very much education is not what it was once was. I too would have though that investing in education would never be a waste, it does depend on what one is learning.
I can understand college, if one is wanting to go into the degrees that are required by law to have (but I'm leary of the ones that come out if students have the ability to get teachers fired because a weed out class, that I knew was hard decades ago): law, medical, some areas of finance (CPA) etc. Everything else, not so much. Especially in tech. Most big tech companies have their own "campus", because what is learned in college is too slow to change. Colleges are a monolith that is done by committee (and we all love those as customers don't we?).