If the scam is very well executed, it will thrives for a bit longer even with laws against scams, as your link shows. However, once publicly exposed, the scammer's bad reputation will ensure no one will trust doing business with him again in his field, much more so than any anti-scamming laws that punished him with those 22 months in jail.

I buy bread from a farmer's market some weekends. It's made by one guy in his home kitchen who isn't accredited or regulated in any way.

By your approximation I should be dead by now. The salient point is that it's my human right to associate with whomever I please.