I think most folks actually accept the need for Traffic Wardens, even if they won't admit it.... I have had the misfortune to try and work in an area where it became common knowledge that one warden did 5 towns, and the days he was in each was also known.
It was almost impossible to move in the towns on the days he was not there, idiots parking anywhere. Trying to get an LGV to a shop to deliver goods became impossible .... eventually the police got involved and issued a great number of tickets.. and the councils woke up and employed a few more wardens.
If folks used their brains/obeyed the rules there would be no need for wardens .... unfortunately not everyone has/uses their brains. Like the transport manager who would not schedule deliveries for the days when the warden WAS on duty as that involved some work by him.
My foray into the world of Transport lasted a whole 7 weeks .. luckily the military had paid for my LGV training so it was not my money that was wasted ... but with idiots like that I just got out, and have stayed out, and now the LGV has lapsed as I would not pay for the medical for something I wasn't going to use
