The reason people are having a go is that the tone of your response was entirely inappropriate (which actually suggests you did not read the last line and are trying to save face... or you are non too bright).
My responses may have been somewhat robust, but were certainly not 'entirely inapropriate'. As to your second remark quoted above, would you say that to my face?
This is not a kindergarten - even though some here do seem to behave like children.