Software development is always about tradeoffs, in an always-changing environment, at a given time. Tools evolve, and so did almost all of things you mention as

Software development is always about tradeoffs, in an always-changing environment, at a given time. Tools evolve, and so did almost all of things you mention as a drawback. TypeScript didn't succeeded yet, but it is emerging with a great press coverage. It will be interesting to see people's preferences changing once they got a feeling how safe programming adds not only to the productivity, but also to longer term maintenance. And in my opinion, the ecosystem doesn't matter that much. Otherwise Java should have won with its coverage of open source libraries.... or Perl should have won earlier... or... you get the point. It matters in the beginning, but not on the long run.