Changing legislation happens over night, adjusting tipping culture should take longer. Can’t see how it’s a problem that wait staff make “too much” for a while

Changing legislation happens over night, adjusting tipping culture should take longer. Can’t see how it’s a problem that wait staff make “too much” for a while (or rather - how the problem should be addressed otherwise). The idea of a “secret” $120 price for a $100 dinner is pretty strange.