Have you ever had the opportunity to work on commercial cooking appliances in restaurants? I have and can assure you they are not "clean" They are disgusting! Even highly regarded restaurants.
It depends. That’s the other trade I’m good at besides construction. I’ve worked in awful kitchens and clean ones and the state of the kitchen has less to do with the quality of the food than the people running it. Worst cooking job I ever had was at a pretty highly regarded restaurant here in town, but it was full of roaches, the equipment was busted, and the people that ran it were complete shitheads. They built a brand, and none of the customers know what goes on in the kitchen, and they’re very successful, but I warn people away from that place every chance I get.
I’ve also worked in clean shiny kitchens with bad management, and nothing special ones that produce awesome food, because they’re ran well. I prefer my own kitchen. It’s not the fanciest, or the cleanest, but everything is well taken care of and everything is done with all the care and attention to detail that I put into everything else, and I would never make a how to video on my reverse seared top sirloin that shows a big pile of filthy dishes in the sink.