The legal framework under which they operate - even if most of us prefer it didn't exist and instead were relegated to a provable fair platform - expressly forb

The legal framework under which they operate - even if most of us prefer it didn't exist and instead were relegated to a provable fair platform - expressly forbids using the platform as a tool of manipulating a specific instrument. And the appearance is certainly that that's what they've done. So presumably participants (widely defined) had already built that information into their decision making.