Yup, and Bitwarden is another one. Many larger game publishers run their infrastructure exclusively on .NET like Roblox or Ubisoft.

At the end of the day, all the tools written in Go that are listed above are not exactly paragons of performance.

Ryujinx is probably one of the best showcases of the kind of task that is impossible to solve in Go effectively, and yet can be solved very well with .NET. Or you could look at Garnet which is a pure C# Redis implementation which beats vanilla Redis, KeyDB and Dragonfly.