Every generation thinks that the kids of the next generation have less respect than they did. There is a writing from a 15th century Monk bemoaning this. It is not as bad as you think.
I used to do some work at a secondary school in Hackney, in the reception area they had on the wall one of the old punishment books from the 50's, which listed the names and crimes of the pupils and the punishment from the staff. What was notable was that 3 strokes were given for things such as...