

Where I live, they haven’t all been. I suspect many feel about guns and pot the same way as you feel about drugs that haven’t been legalised in your area.
Anyway, legalisation of drugs isn’t the hard bit, it’s the regulation that can be tricky to get right…
Once your computer’s working to your satisfaction, pretty much all you’ll need to do is alias
sudo packman -Syu
and try to remember to run that every so often. The arch Linux wiki is second to none, and if you stick with the distro you should find it all feels very familiar in no time.