It's not though, it's simply another option in the market. More options are always better than fewer. No one is forcing anyone to take these gigs, and the relationship between gig provider and worker is frankly none of anyone else's business so long as it's consensual. There is none of your air or water being contaminated.
I'm just using the common definition, as applied to personal/romantic/sexual relationships. I even linked a video that quite clearly explains the definition.
The legal system that decides when we can give consent (when we become adults, the age of majority) and when we can't (legal incompetence ruled by a court of law).
