Earlier quoted context omitted.
> By that logic who knows how many Jehovah's witnesses this person groped and/or fucked. I'd love to know what you mean here, because I can't see how this follows anything .
To get rid of them. Me, I start going on about the benefits of trepanning, and invite them out to the workshop ;)
Life pro tip: just say them in a calm, explicit and direct manner that you are not interested in receiving their visits and information from them. They respect that. They might show up after a year or so, just to check out if this is the same family living under the number.
They're pretty organised and respectful in what they do, so polite and direct works best.