[beaconstudios]

I wouldn't describe it as market forces when the organisation they're opposing is a platform with monopoly power. Etsy has fiat power over anybody on their platform.

If we're talking about the generic concept of a cartel that encompasses basically all special interest groups, then yes they're a cartel - but they're not a business cartel in the same way that Phoebus group were. The power imbalance puts them in a position more comparable to a labour union.