But they don't pay well (when they pay). Not a popular option for the HN crowd.
That's why they will often take just about anyone. Good place to upskill.
I work for free, for NPOs (I won't go into detail in public, but it's no secret), but I'm pretty much "retired" (Quotes, because I actually get more done, than I ever did, when making a paycheck). I have learned a tremendous amount, working for free (still am learning -every day).