I think about it like a tree structure for both. With a gui you have to move your mouse around to various places, with a cli each character branches off into another tree. Mathematically you can handle more options faster with a CLI.
This was true maybe 10 years ago, nowadays Linux has better driver support than Windows. Printers, networking, input devices, everything I’ve tried is plug n play with Linux, Windows you gotta driver hunt.
Curiosity, back around 2010 before I was a teenager. No clue how I heard about it, but the concept of replacing the entire operating system was fascinating. I figured it must be really good if it was such a well kept secret.
A few years later, when I started to learn programming, Linux was the obvious winner. The online course taught C in a Linux environment, and I was amazed that the default Ubuntu build at the time had everything built in, whereas a Windows equivalent required visual studio and licensing adventures.
It really stuck as a daily driver after Windows 7, where a clear trend emerged: Windows got in my way, Linux got out of my way. Simple as.