Asking valve to police this is like asking the national Treasury to police gambling.
The fact that skins can be traded is a good thing. Just needs actual laws and enforcement.
Not allowing gambling on skins is such a knee jerk reaction to this. As you see there’s sites that do the same thing with irl items.
I would like to see the comparison to real sports more heavily highlighted. You cannot find a single sports event in America that’s not sponsored by gambling sites.
Probably Mario
Especially if we consider “influence” beyond influencing other games.