I think the problem is the middleman'ness of it. There has to be a better way where the software in the middle is more of a cheap service fee just connecting negotiating parties, instead of extracting as much value as possible from both sides.

Sadly this world has no concept of open source altruistic software to fix big problems like this. Linux is amazing, but nothing like it may ever happen again on its scale, and as its oldest and beardiest die off... it will fall