Not a chance.
Yep. I'd agree with him being grayhat - no way he's clean.
https://www.wired.com/2016/04/hacker-lexicon-white-hat-gray-hat-black-hat-hackers/
https://www.howtogeek.com/157460/hacker-hat-colors-explained-black-hats-white-hats-and-gray-hats/
https://en.wikipedia.org/wiki/Grey_hat