Sadly it looks like it's not Linux friendly:
https://www.reddit.com/r/SurfaceLinux/comments/1djtfbj/testi...
https://www.reddit.com/r/Surface/comments/1dkxtb8/wsl2_and_d...
Sure it’s not the exact same thing but it’s also not “not at all the same thing” if your goal is to run Linux tools on your computer.
It is.