It's called being polite, Accelerator. Even if I don't mean it, apologies are required and mean something. It creates a bridge between people regardless if they want it or not. You should keep that in mind going forward.

[ Hm. He didn't like being told not to do something and said a bit more than he meant to, but isn't that his life? ]

Personal grievances are personal grievances. If we don't settle them, we'll end up causing issues for others. So, I can't help you with that matter, let's find another.