Your post is reasoned and fair, and some of the bizarrely defensive replies you have received are just wholly undeserved. People vest too much of their ego into technology choices, and it reflects in that sort of over the top hostility.
The submission asks a question that many shops confront when F# is proposed. And the reality today is that many come to the conclusion that no, it isn't ready for production, for many of the reasons the submission notes. Your outrage will not change this reality.