Physicists, like all humans, often confuse their theories and models of reality for reality itself. And when they are called on it, they are far less likely to

Physicists, like all humans, often confuse their theories and models of reality for reality itself. And when they are called on it, they are far less likely to simply admit the mistake/shortcoming than their stellar reputation would exist. Also, like most (but not all) humans, they tend to not enjoy criticism.