Nobody buys a game because they made a cool new and innovative mechanic.
They buy it because it’s a good game and the mechanic helps that.
If your game sucks and no one buys it despite the new mechanic, perhaps other more talented developers should be able to use that mechanic.in their games to improve the industry.
Governments can place qualifiers based on hostile behaviours but then still selectively enforce said restrictions on the platforms they want to target.
Such as with tiktok they specially worded the laws so that it only affected tiktok and not the others.