Oh no, that is miraculously safe and somehow exempted from the rules that cannot have exemptions.
I'm still waiting on explanations as to how certain scenarios can be exempted from the rules that cannot have exemptions. They have yet to answer those questions.
The father and son at the gun store were pointing their rifle all over the store and pulling the trigger.
That really is all that needs to be said. It is irrelevant if they know it was safe. It is irrelevant if YOU know it is safe. That's bad practice regardless of the state of the gun. That's why the OP was upset.
You PLAY how you PRACTICE. If you practice bad habits, those bad habits will come out in real life.