Sorry, but installing arch linux doesn't mean you are some computer master. You are just following instruction on a wiki. Anyone could install arch linux if felt like, and wanted to put some time into it.
Some people make arch linux their personality especially the forum.
There's such pervasive toxicity as you get into more "elite" circles of software users.
"Anyone who doesn't know how to do [X] is useless and should be fired from their job!"
:kitty-cri: "Okay, I'm sorry I asked."