I also read his Write Great Code series and generally found it to have some pretty good advice, but it was also full of things like recommendations to never trust compilers and to write lots of arcane unreadable magic code to unlock ultimate speedy hacker cred.
That being said, if you want to learn about ASM in TYOOL 2026 then you could do a lot worse than learning it from someone who doesn't trust compilers and does everything themselves.