Earlier quoted context omitted.
I developed on it just fine, and that’s certainly not the only task a laptop is useful for.
This is *Hacker* News. I had a Docker build that would take 4 hours on mine when it completed in under 15 minutes on my Mac Mini.
Many people use/need Docker, but of course it requires a Linux kernel (often running in a hypervisor if you're running macOS.) VMs can easily eat up a lot of resources, especially memory. Alternately a VM without enough memory will also perform abysmally.
I've also heard complaints about poor performance (vs. native Linux or even WSL on x86 hardware) of x86 Docker images running in emulation on an M1 MacBook Air.