weirdly, i've done the repair on one of the previous X1 generations. It was a pain to disassemble most of the machine (~2 hours?) but it was at least doable. i don't think you can do it on a Mac at all?
Respect. May biggest adventure was a screen upgrade for a X13 (Hint: HiDPI requires a bigger cable). Luckily the mainboard could remain in place.
The procedure for keyboard replacement should be similar between an X1 and MacBook. They are somehow “layered” to be cheap and flat. It was already a pain with the MacBooks from 2008.
