You can usually tell a lot about someone with advanced degrees by whether they list them after their name or insist on being called “Doctor.” Like the LA County public health director listing all her irrelevant degrees, or “Dr.” Jill Biden.
I can give you this hint from my field: If you need a lawyer, run away if the lawyer lists “JD” after his (usually her) name. No real lawyer does this. Someone who lists JD is usually either a low rent lawyer or is not even licensed to practice law at all.
You forgot to mention the corruptly incompetent WHO director and his PhD.