The power button on my 15" MBP has, over the last three months (i.e. since I bought it in March), started slowly tilting to the side and becoming recessed. I don't really use it that often ...

During the M1 and M2 generations, High Power Mode was only available on the 16-inch MacBook Pro. Last year, Apple expanded the option to the 14-inch MacBook Pro powered by the M3 Max.