If you only can buy this or a M2 MBP, which one would you get?
The m2 can run Linux - but external display support is probably a long way off.
So for the user wanting to run Linux - m2 isn't really viable - unless you actually work on it with just the built-in screen - for me that doesn't work ergonomically.
I have the m2 - it's not terrible - I suspect I'd prefer one of these.
[1] Rectangle and AutoRaise helps a lot, making the UX livable: