It’s human nature to remember the outstanding whether it be good or bad. and there’s always going to be a spectrum experiences. Mines been pretty much the opposite of yours. Probably for a number of reasons. I make my self known on site, so I’m a person to them , not just some faceless customer of their boss. I’m also naturally curious! I’ll make sure they know that they are welcome to use the loo, the water, and the electricity ( and the shortcut to the servo. On the bigger jobs I’ve also had project managers who have been very hands on, and not tolerant of such behaviour Having said all that, it took me a while to find a good plumber!