I think the tone of the comment is okay, but comment itself is lacking actual substance. The original comment didn't even state what exactly was being objected

I think the tone of the comment is okay, but comment itself is lacking actual substance. The original comment didn't even state what exactly was being objected to, let alone make an argument or attempt to start a discussion. I would say that commenting "I think this is against the rules" is also a very low value comment that doesn't link to the guidelines, explain which one was violated, or offer any suggestions for improvement.