Yes, it’s a throwaway prototype that overstayed its welcome for over 10 years, as it tends to happen in computing all the time. You said it yourself elsewhere that it’s a grad project.

You are nitpicking here as usual. The point is that OOP was something expected to be available on Lisp machines.

Okay, I will spoon-feed you. Open the specification on Bitsavers and search for “4.7 Generic Function and Message Passing”.