I've tried vbox when I used a mac and couldn't get past the user interface. The gui severely limits what I can easily do with it, and it's just plain irritatin

I've tried vbox when I used a mac and couldn't get past the user interface. The gui severely limits what I can easily do with it, and it's just plain irritating sometimes. Now I'm back on linux and kvm/qemu, and I'm much happier. Why are people using vbox over kvm?