Earlier quoted context omitted.
Perceived cool factor, I think. Both .NET/C# and Java are the core of Dark Matter Development [0]. They're what a huge chunk of developers and enterprise actually use but they're not cool and they don't get blogged about. Obviously the history of EEE and Windows only legacy means there's a lot of hostility to anything .NET specifically amongst a subpopulation of developers. However I don't think it sufficiently expla…
Not just "cool factor". From your linked article: "Where are the dark matter developers? Probably getting work done. Maybe using ASP.NET 1.1 at a local municipality or small office. Maybe working at a bottling plant in Mexico in VB6. Perhaps they are writing PHP calendar applications at a large chip manufacturer" i.e. in Cost Centers not Revenue Centers, which is to say in jobs that do not pay well, and their managem…
I see Microsoft attempting to make C#/ASP.NET more lean and faster to get started with (eg. minimal APIs) but I doubt they can overcome the stigma.