It would help if most of them didn’t completely cheap out on the power modulation. Most of them do this half assed PWM over like 10 seconds, so they’re on at max power or off, which to be fair is a pretty unintuitive way to cook for most people. It would be much better if they just put out some fraction of full power continuously. It makes much more sense and removes the annoying complexity. Some microwaves do it but they’re few and far between.