I don't think anyone says he had no talent, what rubs people the wrong way is that the thing he had talent for is the same thing that the people have who try to scam call your grandmother out of her pension money. You can be the world's greatest burglar, you're still a burglar. The whole cringy "social engineering" thing turned media persona and consulting business is to engineering what chiropractics is to medicine.
He leaned pretty heavily into monetizing his own image and for a lot of people what he did became synonymous with the word 'hacking' in a not particularly positive way and critising that isn't hate.