I would respect anyone who changes their opinion after seeing new facts. I don’t understand this ridiculous burden we place on our politicians. Why can’t they

I would respect anyone who changes their opinion after seeing new facts. I don’t understand this ridiculous burden we place on our politicians. Why can’t they change their opinion on things when new facts come to light? I am not saying changing principles but opinions. Like someone asked “I see new facts and change my opinion. What do you do?”