Do you touch your screen/monitor, the glass part? Maybe with your finger when pointing something out? I'm not talking about smart phones or tablets add that is expected. Some people do, but I do not. It almost drives me crazy.
Displays can be wrecked due to this. Maybe the screen isscratched or just gets dirty. A decent display can easily cost a couple of hundred dollars or more.
There is a reason for line and column numbers, and your can use that when talking about code.
Maybe I'm alone with this view this is just one of my personality traits?
“The strongest of all warriors are these two — Time and Patience.” ― Leo Tolstoy, War and Peace
I don't touch computer or laptop monitors intentionally, but when I want to point something out to a colleague I sometimes misjudge the distance and accidentally bump into the screen. I apologize and continue with whatever we were doing.