I don't even use a VPN. It still allows me to view subreddits and my own account, but this happens when I try to enter a comment section. Fuck reddit, I hardly ever post there these days, but damn it I do need access to the information in their comments sections pretty often for a variety of reasons.
What's more, it's only happening on Firefox. I downloaded and installed chrome and everything is normal on that browser.
Edit: Clearing cookies fixed it. Leave it to reddit to give you a page that's like "lol fuck you we banned you piss off" whenever their site has a bug and shits the bed
the problem is you're on Reddit dot com, comrade.
It's the only way to get real information from a google search
Find or host your own redlib instance use the Libredirect browser extension. Lets you browse with minimal privacy concerns.