I don't. In fact, I like using forgotten Pokemon...Like Sceptile. Tyranitar just happens to be my favorite, but I'll NEVER use him on Competitive Battling. However, I will have a Kingdra on my team...or a Empoleon...or a Magikarp...
kid if u use mostly ou pokemon my uu/nu teams will leave u thinking wtf how in the hell could i lose to a whiscash
and yes ive 6-od sum1 with a whiscash XD