It offers the ability to run VB.NET codebases. Transpiling them into C# offers cost with little benefit (for stable code that is rarely updated), while running

It offers the ability to run VB.NET codebases. Transpiling them into C# offers cost with little benefit (for stable code that is rarely updated), while running it on Mono allows for hosting infrastructure upgrades. But if anyone cared, they would do it. No one cares, so it does not get done.