I'll never understand the obsession with LISP. My guess is it just appeals to a certain type of person, sort of academic in my view. I'm not convinced that LISP was ever the-right-thing. The author didn't express anything about LISP vs C except to assert that C was a 50% solution and LISP was better. I agree though that for practical purposes, practical solutions are just going to be more successful.
Over the years I've developed what I call the "lefthanded scissors" analogy: people assume that everyone's mind is wired the same way and that all good programmers are good in the same way and think in the same way, but what if that's not true? What if different people have a predisposition (like lefthandedness) to prefer different tools? Then a righthanded person picks up the lefthanded scissors and deems them weird…
So it's not about taste or preference, left handed people learn how to use right-handed scissors, but they can also use left handed scissors in a way that a right-handed person would struggle to.
All that said, the analogy still works because most people don't understand why it doesn't work.