Lots of people have the opposite experience. You are just expressions an opinion, which btw runs counter to the experience of a huge number of people.

And if if you are right. So what? The power usage and performance per watt is so crazy good that they got ample room for growth. Intel in contrast is painted into a corner.

And in the future, why would anyone buy Intel of you can get an ARM with same performance and price as an Intel chip but with the option of extensive customization not available in the Intel world.

x86 is a dead man walking. It isn’t a question of if, but when it will be buried.