But, yes, somehow SV has found a way to promise to twentysomethings that they can fulfill their life's deepest purpose with the potential to become very wealthy. The catch? Just work really hard!
SV is a machine fueled by the optimism and naivete of the young. It's possible to do really well in it, but I feel like you need to keep your wits about you.
So the example of the consumer to consumer dog tooth brushing marketplace might be an exciting world changing marketplace, but fundamentally its pretty much a customized web CRUD interface to a dating app, being used instead of matching up dates, to match dogs with bad breath to freelance tooth brushers. Its just not that technically exciting, in which case having noobs do the work isn't all that dangerous plus or minus the usual SQL injection attacks and such.