Earlier quoted context omitted.
You seem to forget that most of the best coders have spent countless hours learning a ton of things. It's not something easy or without a tax on the mental.
I found it easy enough. I learn new things for fun. I don't consider it taxing at all. Anyone who wants to pay me to learn something new, I'm happy to oblige them.
In both cases, you're not learning anything that is fundamental to human knowledge.