Type system strength does not correlate with language adoption. Else, nobody would use C, Python, PHP, Javascript, Perl, Ruby ; C++, C#, Java would be outsiders

Type system strength does not correlate with language adoption. Else, nobody would use C, Python, PHP, Javascript, Perl, Ruby ; C++, C#, Java would be outsiders and almost everybody would use Ada, Haskell, OCaml. I agree with your last sentence, however.