MAUI has felt like a barebones project for years. Forgive me if I don't believe this is the beginning of more robust support.
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Now, I understand that you may talk about it from a non-technical perspective, but even so, there are major differences. C# is a general purpose language for the cloud/web, and so is Go, but Go is also widely used in other areas like in embeded software. TinyGo is soooooooo much better than working with C/C++ or Rust as an example. Places like that where you wouldn't usually find a transpiled language (other than maybe Python with MicroPython).
Also, check out nanoFramework for a .NET runtime that can run on MCUs like the ESP32 [1]