I always expectrd this rewrite but so far as i can tell they, unlike GNU in the 80s, are not doing drop in replacements, pushing their adoption curve out decade

I always expectrd this rewrite but so far as i can tell they, unlike GNU in the 80s, are not doing drop in replacements, pushing their adoption curve out decades. It is such a strong truth that people prefer to do new stuff rather than reimplement existing tools.