Regarding comprehensive knowledge: there might be a lot of topics where you lack the knowledge to write a good and detailed answer. There might even be topics where you don’t even have a clue what they are actually asking about.
But I am sure there are topics where you are the person in the know. And someday, someone will ask a question where you are the person perfectly qualified to answer it.
In the US, white, rich and influential people don’t get arrested just because they committed a crime!