11gen (i.e. first generation) Framework did had that issues, but that was mostly a issue of the 11gen Intel CPU being used.

It's not really much of an issue anymore with newer CPUs.

Through you won't beat M2+ Macs when it comes to battery life.

My work laptop is a 13th gen ThinkPad and it also gets extremely hot and the battery sucks. Although the keyboard is much better and it’s got an Ethernet port which is a godsend