This isn't really a substantive comment, and to at least one extent it's trivially falsifiable (15 years is before Python 3 became usable, so that alone is a "serious" change in the language).
> pluggable GC and JIT would go along way
One of the points mentioned in the linked discussion is explicitly about ensuring that the JIT design enables multiple implementations.
> pluggable GC and JIT would go along way
One of the points mentioned in the linked discussion is explicitly about ensuring that the JIT design enables multiple implementations.