If you really want to improve the simplicity, there are better ways to do so rather than excluding Gopher.

(Also, they could make XSLT (and many other things that are built-in) into an extension instead, therefore making the core system more simpler.)

> (Also, they could make XSLT (and many other things that are built-in) into an extension instead, therefore making the core system more simpler.)

This appears to be what they are doing, in fact!