In addition to verifying obviousness by posting like Gwern mentioned, which in my experience is a frequent source of surprise, there’s the advanced version of this that e.g. Toby Ord has done most of his career by his own lights. This does require taste at picking topics “at the border of the trivial and the profound” to quote him, but taste is pretty clearly something you have aplenty.
In addition to verifying obviousness by posting like Gwern mentioned, which in my experience is a frequent source of surprise, there’s the advanced version of this that e.g. Toby Ord has done most of his career by his own lights. This does require taste at picking topics “at the border of the trivial and the profound” to quote him, but taste is pretty clearly something you have aplenty.