If they want have a debate an Internet forum you can give them the full works as long as it's not done aggressively or with insults thrown at them, unless they're asking for it.
There are things religious people get up to that does affect other people who wouldn't otherwise want to be affected, the sale of unlabeled halal meat for instance, Sharia Law through your back door.
There are things religious people get up to that does affect other people who wouldn't otherwise want to be affected, the sale of unlabeled halal meat for instance, Sharia Law through your back door.