It was objectively rude because even if you were correct, there was no point in responding to him in the way you did. You could simply have pasted in the text from the article, but it was apparent you were not interested in actually trying to be helpful. It was also objectively rude because, much like someone who decides to interject an irrelevant point into a conversation he just joined, you ignored the context. You could have seen if anyone else had responded, and would have seen multiple people had provided the answer, and the post’s original author apologized and pointed out that the article had been updated to include the answer.
In any event, there have been lots of questions here about what ToF is, and what tangible benefits there are for the phone’s users, and these are all good questions that deserved, and received, substantive responses.
