If an argument lasts more than 5 minutes

[LeftishBrit]

6. I disagree

Certainly this is sometimes true, and there are many many issues on which both sides are wrong; but not always.

Sometimes the facts are not yet known, and will eventually come to light, proving one side or the other right.

Sometimes arguments are not about facts but opinion or moral outlook; e.g. I consider the Thatcherite/Republican approach to poverty morally utterly wrong, but it's not a scientific fact that can be proved. One might be able to prove that a particular policy will increase poverty, but some people will then argue that this is not a bad consequence if it increases the freedom of rich people to make more money/ that the fear of poverty increases competition and 'productivity'/ that it's not the government's job to reduce poverty/etc.

Sometimes paranoia overrides factual evidence as in the vaccination debates.