Earlier quoted context omitted.
> Why? Why does a textbook about fundamental principles need to be 'adapted' to technology currently in use in industry? Because it's widely used in the industry.
Why does that matter? You are not going to get paid to work through the SICP exercises on a job. Rather, you are going to use the things you learned through SICP on a job. Like deciding when JavaScript is the right tool and when it isn't.
That's my point. Is that bad somehow that it's written in a familiar and accessible language for the majority?
One can sharpen its knowledge without the barrier to understand a new language and syntax.