I would define one type of ‘dumb’ as people who upon learning they are making errors, refuse to apply any effort in improving. I have met lots. I am it sometimes too.
Another type of ‘dumb’ is ones that care nothing for others and cannot even foresee that caring broadly for and uplifting others is actually caring for yourself. I will also fail at this one often.





Perhaps your future camera could automatically fog any individual that you haven’t received prior consent from.
And yes, I realise this idea has a number of technological requirements that may not exist yet, or cannot reliably exist ever, and requires the trusting of some authority in a world where noone of that esteem seem to be able to exist.