That's great that they came over to visit the beach but nobody can look into your soul and know that and sometimes people who are not so nice don't just come over to visit the beach. This presents a challenging problem.
It sounds like you are under the impression that people are being inconvenienced simply out of spite or due to the discretion of some unfriendly TSA-type airport employee - nope. Understandable why you would perceive things as such but the reality is very different, there is quite a lot going on, before you even board the plane, that you don't see. Places where it really matters, like Israel, cannot afford to engage in security theatre, it is all derived by logic.
How it works as is explained in great detail in this video:
https://www.youtube.com/watch?v=1Y1kJpHBn50
Appeals to emotion mean nothing to me. I get that it feels bad and don't particularly care as being blown up feels worse, promise. If after watching that you have pragmatic improvements to suggest I am all ears. It completely addresses your point, in fact it even explains how this approach probably doesn't scale to larger airports/other-countries.