It's definitely AI - here's one I just created, if I spent time on it I could get one that looked much better too. https://i.imgur.com/rRJ5kg9.png

Should look great in future history books

Definitely looks like a hack. I'd imagine the code has an exploit that someone found

Took me like a week to stop the muscle memory of typing reddit.com into the address bar, but, I'm here to stay now.

I'd recommend giving https://wefwef.app a look, copies a lot of the Apollo UI and you can install it as an app on your phone (it gives instructions on how to in the settings)

Another subreddit posted the date he said it, which I think added to it - He said it on April 19th of this year - https://www.gq.com/story/steve-huffman-reddit-public-tiktok-ban - that aged poorly very very quickly