Spend an unreasonable amount of effort and time focused entirely on a niche question.
Don’t worry. Over time your competence will not be niche.—it will broaden impressively.
But if you are lost and feeling useless, start with a tiny question and dominate it thoroughly.
Questions and derision from others tell you everything you need to know about them. Shun them. You know why you are there.
I am doing this right now. My brain is telling me that I picked the wrong topic to get Deep Into. Fuck you, brain. We are doubling down and getting even more granular.