It strikes me as quite arrogant to assume that those are the only possibilities. People, even experts in a field, disagree about topics and the implications of

It strikes me as quite arrogant to assume that those are the only possibilities. People, even experts in a field, disagree about topics and the implications of evidence all the time. Arguing that honest disagreement must reduce down to one of the three categories you list is basically saying "my point of view is so obviously correct that only bad thinkers or bad people could disagree". But that's almost certainly not the case.