Comment by ookdatnog

I think it is, and if you don't want to take my word for it, John Carmack thinks the same :)

There's an old video [0] where he talks in-depth about his explorations of functional programming. It's perhaps a bit more about Haskell than about SICP, but in it he's also quite enthusiastic about what a veteran programmer can still learn from this book.

[0] https://youtu.be/1PhArSujR_A?si=OD8pGYsoGC7RXPVG&t=125