Fourier series and plasticity are very broad fields. They're almost top-level classifications in the MSC subject index. Remak's article mentions topics that are much more specific. Although to the uninitiated it may sound just as obscure, saying someone worked on complex multiplication fields tells a mathematician much more than saying they worked on Fourier series.

The unicorn law isn't oppression; it's just tiring and an annoyance. We are all more than our genders and ethnicities, so it gets tiring to only get asked about those.

I don't understand why this makes you angry enough to curse. Do you understand why?