Even many STEM majors have terrible outcomes. Science? Most of those you’re going to need a PhD and you’re still going to be paid shit. Maybe an industrial R&D scientist with many years (perhaps decades) of experience can make it ok, but that’s a gamble. Technology? This one seems to be the he safest bet, software developers ofc can make nearly unheard amounts of money as a wage worker and IT work seems to pull in an ok amount once you’ve established enough experience. Engineering? Ok I guess, admittedly I’ve been very disappointed by the salaries I’ve seen out of a lot of engineering fields though. Math? Not a particularly valuable field in itself. I doubt there’s any employment for mathematicians outside academia, however I will admit the skill set can be widely applicable and even useful to other industries (including some aforementioned) so I won’t discount it too much.

In order to have negotiating power as an employee there must be scarcity of labor for those skills. Considering that debt is effectively free, any seemingly lucrative field can be quickly inundated with additional supply of skilled labor.

The only way out of this is to have skills which are extremely rare owing to lack of training paths, rapidly changing execution skills, or demand which rapidly outstrips training capacity.

e.g. Software Engineer with experience in the latest X, NeuroSurgeon, Software Engineer with experience on hyperscale services etc.