Tips will be mostly irrelevant once patrons are not shamed and manipulated into paying tips. If the salaries are already paid, most people will not tip.
Tips finally got to a breaking point in the US and they’re on the way out for good.
The bus drivers of the city of Warwickshire managed to secure a pay raise of 12.4% in September 2023, after threatening the city with a strike. The pay raise should should come into effect by May 2024. This is evidence that unions work.