I have a 14 inch M1 MBP running fine up to this day. 16G RAM, 1T SSD. I don't know if I ever will need to replace it.
You will if you use macos and want to stay supported. On the other hand, being an M1 puts you squarely in Asahi supported territory.
You will if you use macos and want to stay supported. On the other hand, being an M1 puts you squarely in Asahi supported territory.