Honestly, you'll be lucky if you can get past any bootloader issues on a Samsung.
It was honestly trivial to wipe Samsung's and install LineageOS on a Galaxy Note 10+ and a Galaxy Tab 7. The bootloader isn't much of an issue.
Now, getting a random Linux system to install, rather than an Android system designed for these, sounds live a huge challenge.
Sounds like they hacked (out of) the box