That Microwave UX is certainly bad. But the design of traditional microwaves is also not defensible. If you had never seen microwave before and tried to use it, you would be quite dumbfounded. Just pressing 1 key starts heating for 1 minute but how do you do 30 seconds? Just press the start key! That's quite unintutive if you ask me. The reason people don't feel that way because most people have learned how to use microwave from their parents or friends and knowledge keeps getting passed on. On those lines, I know of no one who knows how to use other "advanced" features that most microwaves have today like thawing and food type specific heating.