Since many of you don't know me, I should mention that I am an astronaut, posting from the International Space Station. I'm also a doctor, a lawyer, a nuclear physicist who won a Nobel Prize, and I have 12 platinum records. I got my Oscar for a movie soundtrack, and I had a leading role in Hamilton. I also won the Booker Prize for my 2nd novel.
Clearly, when some anonymous person on the internet makes a claim about their credentials, you should just believe them, even if they often display ignorance about their supposed field.