No. Generational reclamation of words is fairly common. The best examples aren't actually race (comparing how "nerd" and the n-word are reclaimed doesn't really work, for reasons that should be obvious in that I'm censoring one).
On the other hand, within the LGBT community, tons of terms have been fully or partially reclaimed. Most notably "queer". That also isn't without controversy (and queer has been in the process of reclamation for longer than "nerd" has been an insult in its current context), but almost no one seems to think that by self-identifying as something (in good faith) you're bullying someone else.
On the other hand, within the LGBT community, tons of terms have been fully or partially reclaimed. Most notably "queer". That also isn't without controversy (and queer has been in the process of reclamation for longer than "nerd" has been an insult in its current context), but almost no one seems to think that by self-identifying as something (in good faith) you're bullying someone else.