It is reachable several clicks from the posted policy and I suppose it also appears in the "new" reddit settings page, but I use a Firefox extension to always redirect to old.reddit and it does not appear in this version.
Sent my data request a few days ago and got no answer yet. They have 30 days to do it, I suppose their plan is to delay a lot.
You definitely can! I'm using Yuzu on Linux with an jurassic 1050Ti and it works perfectly. I basically play Mario Kart 8 and BotW (for now, TotK in the queue) and never touched an actual Switch in person (seriously! I'm Brazilian and these things are hell expensive here).