I read it as a comment that was criticizing the language, not the intention of the apology. As such they are not inferring that the apology was insincere but po

I read it as a comment that was criticizing the language, not the intention of the apology. As such they are not inferring that the apology was insincere but pointing out language that in the apology that the posted has often added themselves that gives the appearance of insincerity of the recipient. To me that is the strongest possible interpretation of the comment you are replying to.