I think why .NET is looked down upon is because many have severe lack of experience with .NET. I too have made assumptions of .NET because of my experience was

I think why .NET is looked down upon is because many have severe lack of experience with .NET. I too have made assumptions of .NET because of my experience was only webforms in a small course at my university. Ironically, I have recently started using .NET MVC for my projects since I think it's really great. It beats many alternative MVC-frameworks in my opinion.