[Chyzwar]

I think the main thing is that they are porting, not re-writing. Current tsc is functional by nature and that's makes go better fit.

[xanth]

I think the much larger ask C# couldn't answer is the "expressive" access to low level struct layout[1]

[1] https://www.youtube.com/watch?v=10qowKUW82U&t=769s