I should have read TFA before commenting :)

But that is even more puzzling. The backend space is so crowded with native, scripting and exotic languages, that I really don't see how they can attract hardcore c/c++/go/node.js/python/ruby/perl/php/erlang/haskell/lisp or Java crowds to .NET.

Maybe it's exciting for existing .net developers to be able to deploy their backend apps on linux servers.