You expect kids to not heed the advice of the adults around them? And when those kids grow up to be adults and realize that the advice they were given was all bullshit to suddenly not see the utter waste of time and energy into worthless goals put before them their entire lives?
What are you talking about?
The main responsibility of adults is to prepare the next generation. Realizing that failure is not being jaded, it's confronting reality about the failures of adults.