I don't know if that's their positioning, they've kind of just been a "come one, come all" type of system, letting the contractors and clients filter themselves

I don't know if that's their positioning, they've kind of just been a "come one, come all" type of system, letting the contractors and clients filter themselves out, for better or for worse. Newer entrants like Codeable, Awesome Web, and Envato Studio are focusing on the higher end. For WordPress work at around $50/hr, Codeable is great.