Many beautiful words, but it would be more honest to return at least 5 merits.
Wouldn't that be like a merit exchange?
BRINIRHA received 11 merit for a post that doesn't deserve to receive merit. This was the first mistake. If BRINIRHA sends 5 merit to Gallar just because he/she has received 11 merit mistakenly, it would be the second mistake.
This is just my opinion and I think the best thing is to forget about what happened.
Merit exchange? Is there any evidence that they are alternative accounts? I agree with you that the mistake was on the part of the OP and lessons need to be learned. But we see that this is important for the OP; maybe he has a nervous breakdown; I read his post history.
I am currently suffering from a disease called OCD (Obsessive Compulsive Disorder) My daily life is often stressful because there are always strange thoughts, things that I fear, and being forced to do things that I don't want to do. That's why I'm often stressed and the way I treat stress is by exercising, listening to music, chatting and don't forget to Allah SWT.
Therefore, I simply suggested what I would do in such a case when a person wants to return what was mistakenly given. We have the right to give our merits to whomever we want, right?
I see the bug has been fixed. This will be a lesson for the OP.