OK - this is something that I am going to work on. Traditionally marketplaces have been a race to the bottom, and I think (in fact know, through conversations) that many developers don't necessarily know the market rate for their skills. Some absolutely do (Shout out to KrauseFx https://www.ringerhq.com/i/fastlane/fastlane).
I do think there is a balance, especially when the request comes from an individual vs a business and we're actively looking into ways to solve this. I have partially realised that educating developers on value driven pricing is going to be part of my job now!
Thanks for the well wishes!