The problem with UNIX culture shops not picking up .NET has everything to do with the Microsoft stigma, and everything the management keeps doing against .NET team efforts, like VSCode vs VS tooling features, C# DevKit license, what frameworks get to be on GNU/Linux, and the current ongoing issues with FOSS on .NET and the role of .NET Foundation.
Minimal APIs and now scripting, which already existed as third party solutions (search for csx), won't sort out those issues.
They can even start by going into Azure and check why there are so many projects now chosing other languages instead of .NET, when working on the open.
This would already be the first place to promote .NET adoption.
Jesus christ, it sounds like a religion
The only change through the times is where they take place and how hard, or low, they might get.
If python hadn't (nearly) caught up to c# in typing support, I'd seriously consider moving or at least running it...but as it stands, python has established itself too well for me.
What's the difference between installing .NET or, say, python of node?