There is a difference between saying "I like my meetings to be specific and driven by agenda , what are the points you like to discuss" and saying " I don't tak

There is a difference between saying "I like my meetings to be specific and driven by agenda , what are the points you like to discuss" and saying " I don't take meetings without agenda. The OP could have ignored the email, or even marked spam it. If you take the effort to reply then do it courteously there is no excuse for being rude.