I think there does come a level of specificity at which it's possible to find a thing (or, often, a combination of several specific things) that no one has done yet, but I have also encountered a lot of people asserting that they're doing something unique when they're absolutely not. Check first!
Dorian Dawes"Why is nobody talking about this" "Why don't people do this anymore" "Why is there no media about xyz" there are people doing incredible things everywhere you look but you have to stop relying on algorithms and seek out community for yourself.