All over a stupid cell phone, what is called a smart phone.
Amen. Could not have said it better myself. They have turned its users into extremely rude people. 90% of the time they are used on social media by young people to talk smart to each other. As you said, a huge waste of time and dangerous when used at the wrong times.
Don't get me wrong, I love technology, and in fact I had a PC clone in 1984. However, it has now gotten to the point, where that technology is destroying the ability for humans to interact. And that is not good.