I think it may be nothing more than a bad habit. It is rapidly becoming ingrained–a custom learned from watching others and imitating them. Where did it come from? Is it an effort to ease a certain level of discomfort? Is it something done without thinking? Why do we persist in doing things that are not helpful? It sometimes approaches irreverence!
I am writing about the practice (which I increasingly observe) where many of those who get up in the worship assembly in front of the congregation feel compelled to voice a loud “Good morning” desiring a verbal response from the church. Why? Before a prayer at a funeral–off the wall comments–why? Before the communion talk when a majority of the congregation is already meditating–why? Before the sermon when the service is half over–why do we need another boisterous “good morning” with verbal response?
I vote for thoughtful preparation, meaningful words, and sensitive leadership in the assembly. Especially before the communion service, after we have sung a song focusing our attention on the cross and the meaning of the Supper we are about to eat together, please don’t interrupt my meditation, I am worshiping my God with gratitude and reverence.