Jfc, I'm so sick of people saying "Linux is so hard to set up!" I'm genuinely tempted to install bazzite, and just record my entire process of setting it up.
i think recommending someone who wants a fairly simple gaming setup to use arch is just bound to be a terrible experience unless they're really into having a minimalist base that they have to build up and maintain, and probably keeping an eye on for any manual intervention on https://archlinux.org/