I use vim in a console window for everything: these days mainly scripts, Java, Python, C
The one exception recently is Android. But I'm working out a command-line based dev environment for android that lets me use Vim too.
Unless the authors have transferred the rights to someone else. That new owner could enforce it.
Also anonymity is a choice not a right. The authors could be forced to defend it by court order or blackmail.
Or the US government could choose to defend it in the public interest.