I’d say doublespeak would be if “advertising integrity” were the department charged with respecting users’ privacy and (informed) choices, while said dept. exec

I’d say doublespeak would be if “advertising integrity” were the department charged with respecting users’ privacy and (informed) choices, while said dept. executed Facebook’s policies that go very much against these things. But if parent is correct, the role is to enforce things users want (regarding spam/fraud/illegal goods), which matches standard notions of integrity, so it’s not doublespeak.