"I do have a moral problem with people who sell vulnerabilities to (a) the USG or (b) people who exploit them." Just for the sake of pedantry, category (a) is

"I do have a moral problem with people who sell vulnerabilities to (a) the USG or (b) people who exploit them." Just for the sake of pedantry, category (a) is definitely contained in category (b). Just because it's not usually for money, doesn't mean it's not an exploit.