I don't know the numbers but I can probably agree that "modern day" can be replaced by "batteries included" and it would be a better description, from the (vali

I don't know the numbers but I can probably agree that "modern day" can be replaced by "batteries included" and it would be a better description, from the (valid) point of view that you take. However, Racket is also a modern language in that it has many new and fancy programming language research-grade features since it is also a programming language theory research platform. From that point of view, "modern day" is a valid description :).