Only for certain audiences of a particular age group.
It's not globally common. It's commonality doesn't remove the other characteristics of it which ruins the entire point of drawing attention to how often it's used.
Please don't be disingenuous when the conversation needs to be more constructive in the first place.
Same. I kept wondering if the whole thing was younger in cheek. Was he trying to make a commentary on people that actually do this? No, I think the author was serious. Strange indeed.