Carlos Kopp, in my opinion, is just a internet troll and an idiot!
The F-35 and the Super Hornet are not low performance fighter jets!
All you need to see that he's an idiot, is to see his comparison between the F-22 and Su-30MK2, or the comparison between the Super Hornet and Su-34.
Anyway, Carlos Kopp is a Troll and a Liar!