people in the era thread keep accidentally discovering that the 41% is a coincidence 
It's not, the entire point of doing it this way is for plausible deniability.
and the thing is what can steam even do
Ban the game, ban the developers, ban anyone who bought it at the problematic sales price, ban anyone who posted a positive review or comment. If Valve wants to continue to be treated well by customers and the gaming community they need to step up and actively fight hate. Or they'll reveal themselves to be just another alt-right machine like CDPR and THQNordic.
The fact that they continue to do nothing even though ResetERA.com has brought attention to this scandal says about all you need to know about Valve.