The efficient use of memory in Go makes it an interesting option for serverless services. There is no comparison in start-up time in the posts - just guessing here also Go might do a bit better.
Also, the initial stack size for goroutines seems to be 2 KB now, not 8 KB (
source line 7). Huge maps in Go could cause some problems for GC before - at the time it could be improved by partitioning the huge map. Most probably this also is improved in newer versions.
Easy(er/ish) packaging and deployment is another plus for Go. Of-course these days it is not that obvious, because most things are containerized.
(I have used .NET for almost 14 years until 2015 and have nothing against it)