As I was approaching the glass doors of our building from the inside, I saw a fat boy and his mother approaching the glass doors from the outside. I got there quite a bit ahead of them, pushed open the door, and was almost through the door, when the boy rushed through the door, bumped into me, and pushed me against the glass door.
I was slightly stunned, turned, and tried to find out why the boy was in such a rush. There were no apparent reasons that I could discern. He simply stood there waiting for the elevators. The mother did apologize to me when she walked past. But she did not rebuke the boy.
I don't think the boy's lack of manners can be blamed on the education system, as bad as it is. It is we parents who bring up kids this way.