"I'm sorry" and "my bad" mean the same thing. Except at a funeral.
I'm Sorry vs My Bad
Explanation
Explain Bear
Alright, listen up buttercup. Saying "my bad" at a funeral is like wearing Crocs to a wedding, it just ain't the right fit. Funerals are all about being respectful and showing you care, not acting like you just dropped your ice cream cone.