From what I have learned, Reddit essentially shadowbans you, and it’s likely because of your IP. If you register using a VPN, you’ll be able to see your posts and comments, but others will only see 404s and [deleted]. You can see this first-hand here: https://www.reddit.com/r/Monero/comments/151aawx/merceneros_monero_services/
On Tor (accessing the onion address), you can surprisingly sign up and post, but signing in with a VPN somehow contaminates the account and your subsequent posts and comments won’t appear, shadowbanning you.
As r/Monero mod, can confirm that even specifically “allowed” accounts still have to have all their comments manually approved. Just use town.