Holy cow, lucky you! o.O

How the heck did you trace the problem down to the amount of groups the user was in?

Tl;dr: Stick in a USB cable and the other side gets your console.

That is possible indeed! For more context, you can look up “static linking vs dynamic linking”

Tldr: Static linking: all dependencies get baked into the final binary Dynamic linking: the binary searches for libraries in your system’s PATH and loads them dynamically at runtime