I have a hard time accepting even the premise of them, no matter how pleasant some of them might be. So long as they cease and desist when I say, "Stop, please," I'm ok. But I'd rather not 'have' to deal with them at all.
Two female Jehovah's Witnesses were leaving their brochure on my doorknob the other day. I could have sworn they were trying the knob as they were fumbling. Surely I was wrong, but as I was watching the knob for jiggling, I was preparing my rant. "Oh they're just doing such and so," people say, but I think the whole missionary business is very intrusive.