Yes, to the point that high schoolers are obtaining and taking drugs meant to treat attention deficit disorder because they think it might give them an edge. A group of high schoolers in our town had an anabolic steroid ring for performance enhancement. Ambition is great, winning at any cost is a character flaw with very significant implications.
I'm all for good clean competition, in any arena, but I also think we need to emphasize the old adage, ‘do your best, try your hardest, be honest, try to win, and give your all, but if you don't win you can hold your head up for giving it your best shot and playing fairly’ (irrespective of the context).
The "nobody wins, everybody gets a medal" crowd has not taught their children how to handle it when they don't win.
I believe that's where kids feel they need to enhance their performances and the "win at any cost" attitudes.