I suppose that if you do not want your position on an issue challenged or questioned if you fail to provide evidence, you would not enjoy any kind of conversation with Viv or Cofty.
But, if you actually want to have a real conversation instead of just preaching at people, if you want a free exchange of ideas based on evidence, then you would immensely enjoy conversations with them.
Interacting with them challenges me to back up my claims with evidence, not supposition, conjecture and baseless speculation.