As a language, one problem is that it is many people's first programming language, and it's a very bad introduction. In particular it doesn't teach people to th

As a language, one problem is that it is many people's first programming language, and it's a very bad introduction. In particular it doesn't teach people to think in terms of standard data structures like hash maps / dicts. It's bad for the job prospects of lots of grad students who might hope to leave academia.