>>937126437 (OP)rule of nature - people will always do business according to the current state of the chessboard.
you make it illegal to manufacture stuff in China? Fine, they source material in China and manufacture it here.
You make it required to say "Grass-fed" or "grain-fed"? Fine, they will give the animals SOME grass and then say "Grass-fed".
You start urine testing people who receive welfare? Great, you just created a black market for clean piss.
A lot of politics is about conveniently ignoring this rule of nature to make it seem like something is going to be fixed, but it creates another dozen problems, and therefore a dozen other successful political campaigns which promise to solve those offshoot problems
politicians don't have to fix anything - given this very rule of nature, the business of politics is just to win elections and therefore that is their actual goal, not to fix, but to win