It's better than all the others, at least that's what I think. It's free and the codec produces better audio than others. It's just a quick install to use, so there's no reason to not have it.
^ That's easy to understand and is why I have it. But I feel like should you use Ventrilo there is a bigger audience for that. Just because it's better doesn't mean it's what's used.
I get what you are saying but when Mumble is better, free, and still doesn't get used, why should we pay for a Ventrilo license when no one has demonstrated any demand for the voice server?