This apology fails from the 5th word: "We sincerely apologize for any harm..." While there are other requirements, a sincere apology cannot in any way entertain doubt about the fact that there WAS harm. Truly acknowledging the harm done is foundational to a real apology, and most of us (myself included) end up sneaking in weasel words or phrases like this. Psychologically, its nice for the apologizer, since it allows…
"Please respond to the strongest plausible interpretation of what someone says, not a weaker one that's easier to criticize. Assume good faith." https://news.ycombinator.com/newsguidelines.html I think it's both unfair and non-constructive to pick apart a apology letter based on one word like that. Let's assume good faith, especially when the writer's English might not be their first language (based on their name).
This is a pretty weak assumption. Someone's name (and physical appearance) don't give you an accurate information about anything.