I use the T14s G6, running Fedora Silverblue, as my only PC. I bought it mainly for its AMD 880M iGPU, which just hits the performance I need for the few games I still play, as well as its mobility so I can blender on the go (and because I got fed up with the seemingly endless hiccups from my ASUS G14).
It’s good. No issues I know of. The display is a bit slow even for a 60Hz panel, but the battery life is stellar (probably also because of the slow panel).
However, if it’s static, as you say, I’m not sure if a small desktop PC wouldn’t be the better choice overall. After all, modern ThinkPads are pretty expensive.
Electronics are mostly solid state and are therefore virtually wear-free.
If it’s designed well, they could actually be more reliable than pushing fluids through tubes. But pushing fluids through tubes is already pretty fucking reliable.
I think the main point is to eliminate rusting brake discs from EVs, which rely largely on regenerative braking anyway. I know mine are constantly crusty; like I can always hear them scraping for the first few hundred meters of driving. Which is prolly not great.