We consider the disrespectfulness of today's youth as a modern phenomenon, yet the oft-quoted words of 8th century monk Hesiod remind us that this is certainly not a recent problem.
In the same way, perhaps we should remember that overt political correctness is not new. Take this splendid example from the Book of Common Prayer (1662):
The Order of Baptism for those of Riper Years
Political correctness hasn't gone mad; it has always been that way.