Earlier quoted context omitted.
There is substantial evidence that the people in power in the Post Office Board dismissed the evidence from the sub post masters because they were, more often than not of Asian descent (Indian, Bangladeshi, Pakistani,...). So the Post Office Board had a mental block to joining the dots because they were racist. When they were eventually confronted with the overwhelming evidence of hundreds of false convictions they d…
> they doubled down because they lack any sense of morality. I don't believe you know what their internal mental states are.
So given a set of actions you can infer a likely set of mental states — this is also done in the court room. Can you always infer with 100% accuracy and with every colorful detail fleshed out? No. Do you typically need to? No.