It was actually on a work computer using chrome that absolutely no one uses, I’m not even logged in on that machine nor is chrome. This happened a few days ago now, let me see if it will do it again.

Here’s what popped up

If you open Reddit without an account on a browser, it will automatically create a username for you when you are on site now. Hopped on to look at a post on a semi active subreddit and saw I was somehow logged in, but it was an auto generated account name. Wonder if they are trying to boost numbers that way as well