Racket isn't near as fast as SBCL though. However, now that Chez Scheme is open source, Racket is in the process of leveraging that run time. Also I don't know, but would guess deployment is easier with SBCL as it can build a standalone executable (albeit it is very large due to saving the running image).
I guess it's all based on perspective. Comparing to C, D, Nim...etc, it's huge. However, the mathematical model my company exports alone is 10-22 MB alone in just text or binary form (no code), so yeeeaaa I see what you're saying :)
