He's not being 'dramatic', he gave you a valid scenario in which this idea wouldn't suck. He wasn't just being mean for the sake of it...
Anyways, I agree with him and the others. It would cause everyone to camp and hold out until the time limit was up, just so they could farm experience and whatnot. So this isn't such a great idea. Don't take it so personally, please!
Posting a suggestion means you open it up for criticism. You shouldn't confuse that with people being rude, it's their honest opinion and you should respect that.