Are you talking about archinstall or have they actually automated the default installation method?

Do yourself a favour and install it on a virtual machine first. Screwing up an install on Arch is frighteningly easy. The Arch Wiki is your friend, use it. Also, read the installation instructions before you begin the installation, not during. If this sounds like too much of a headache (understandably so), then give EndeavourOS a whirl.

Yeah, it’s normal. There are so many flavours of Linux out there, why wouldn’t you want to try some of them?

The founder’s shady history with OpenFeint, their entire privacy policy and shit like this, take your pick. Wikipedia also has an entire section dedicated to Discord’s controversies. No matter how you look at it, Discord has a great many shortcomings.