Answer: some yes, some no. It depends on the person, and the reasons for the "quitting". Each individual - IMHO - should be treated based on the merits (or lack thereof) of the situation....not be painted with the broad brush of derision in the attemt to prove and unprovable point.
If I may offer a too long bit of bumper sticker philosophy, but one in which I place great credence...
"Perseverance is the most overrated of traits, if it is unaccompanied by talent; beating your head against a wall is more likely to produce a concussion in the head than a hole in the wall."
Bill Shakespeare: Brevity is the soul of wit.
Well done, LR.