My experience with ride sharing is that you have the people that you just mentioned, + people doing it professionally, people doing it for fun / get out of the house make a little
Extra money, and people in a short term bind that need to make some extra money
Yes true. I over-simplified. There are people who earn well from these types of gig markets. But it provides the flexibility to also allow those who really can't or won't find ordinary jobs - due to reasons ranging from their skill level, to their scheduling requirements - a way to earn.