They also forgot to change r/selfhosted from when they posted it to reddit... https://www.reddit.com/r/selfhosted/comments/1ter9n9/refearnapp_opensource_selfhosted_affiliate/

As well as: https://www.reddit.com/r/selfhosted/comments/1sk4oqw/refearnapp_selfhosted_opensource_affiliate/

Here's their answers to "Expand the replies to this comment to learn how AI was used in this post/project":

it is written by ai i give the idea then ai writes that

this post is written by ai. i only give it thought on what idea it should post and it generated everything.

Their post history contains a mixture of comments with grammar like the above as well as many comments with excellent grammar, often containing em dashes. It seems like they only post on Reddit using AI comments to karma farm so they can spam AI generated posts like this to try to get some people to pay for their hosting subscription for their vibe coded app.