I work in a certain niche. The older I get and the longer I get, I realise I have to use less crutches and abstractions because intimate knowledge of my code is

I work in a certain niche. The older I get and the longer I get, I realise I have to use less crutches and abstractions because intimate knowledge of my code is more important than supposed speed. LLMs lead everyone in the opposite path and that to me seems to ruin everything.