No offense but this person seems either incredibly autistic or mentally ill.

> I don’t see myself as a programmer who is also an expert in a niche area; I see myself as exclusively a low-level coder,

> If anyone can point an LLM at slow code and it automatically finds a hot loop and uses a trick it found somewhere on the 'net to vectorize it, there is little point in hiring someone with a focus on that.

We're no longer in an age where this kind of aggressive specialization makes a lot of sense. And, honestly, that's a good thing. The best thing is to have T-shaped knowledge. Go deep in a few areas, shallow in many.

> A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.

-Robert A. Heinlein