because screeners don't bow in awe to the superior beings who despite regular travel don't understand the basic requirements.
You're living in the 80's if you think any of us expect that. The fact that you write it exposes something about your mindset though.
What I do not accept is that the way some, and it's as always a minority, speak to people when there has been no cause for rudeness, and the bullying threatening attitude they adopt,
I agree. Every single time I encounter a security worker ( and customs etc) I do so with a smile and I ask " how are you today? " and I am often completely ignored or the person responds with a short sharp rude instruction. Have we reached a stage where we have to train basic manners in order to appear in a positive light to our travellers and tourists?