I think the fact that people treat them different is the argument that, when the company themselves are taking a cut of that RMT, they have a financial incentive to design systems that would make you want to use it, even more so than when it’s something done against the TOS.
It’s why Diablo 3 had to remove it, the grind got much better after it was gone.
Let them cook, we only got steam refunds thanks to them.