Serious question: why would he be "heavily" quoted in physics books? I didn't think he was a physicist, is he?
I guess some people still like to troll? Or are so dumb they’ve obviously never even cracked a physic text? I’m hoping it’s just old fashioned trolling.
We need to get to the bottom of why people believe stuff like that, and fix it.
Somewhat Related:
It's not limited to textbooks or academic publications, or based on any context whatsoever, but an ngram search actually suggests there's a much larger musk stain on recent published literature than I'd ever thought possible:
https://books.google.com/ngrams/graph?content=Elon+Musk%2CAl...
Make of that what you will.