This has been going on for, literally, millenia
"I see no hope for the future of our people if they are dependent on
the frivolous youth of today, for certainly all youth are reckless
When I was a boy, we were taught to be discrete and respectful of
elders, but the present youth are exceedingly wise and impatient of
--- Hesiod, Eighth Century B.C.
"The world is passing through troublous times. The young people of
today think of nothing but themselves. They have no reverence for
parents or old age. They are impatient of all restraint. They talk as
if they knew everything, and what passes for wisdom with us is
foolishness with them. As for the girls, they are forward, immodest
and unladylike in speech, behavior and dress."
--- extract from a sermon preached by Peter the Hermit in A.D. 1274