What are the mythical .NET cults which swear by Windows, PowerShell and MSSQL you speak of? Every other ".NET shop" I know nowadays deploys to Linux hosts/conta

What are the mythical .NET cults which swear by Windows, PowerShell and MSSQL you speak of? Every other ".NET shop" I know nowadays deploys to Linux hosts/container images hosted wherever and develops on a variety of systems where the OS of choice has become mostly a non-factor.