and where our ....?

Do not wear bright because Mark does not grow long hair because it's not practical,
do not eat enough sweet because of that fattening,
do not fry in butter because it is harmful,
do not drink because it kills,
do not swear because it's unseemly to behave in general outline, go to the office or somewhere else,
talking cliches, are becoming predictable ...
I just do not understand, this is a normal adulthood occurred or exhausted fuse ...devil-may-care attitude?