If people choose not to believe evidence, then you have to ask yourself why they are in denial which is a discussion for another thread.
Perhaps it is the rigidity that defines you, albeit admirably - old friend, that provokes a better question for us to explore (in another thread); If people choose to believe evidence in contradiction to proof, then you have to ask yourself the same, eh?
I've had contrary evidence presented to me and I have modified my reports to match. The howlers and nay-naysayers choose not to remember that - rather to develop a closed mentality bordering on psychosis.