I would expect
access to all controlers if the instrument isn't specified
at all.
No no no, we can't have that. People will start adding controllers left and
right and there's no stopping what might happen! Songs will be littered
with wild modulation effects, warbling delays, zooming distortions, it
might very well affect the growth of the ozone hole!
And...
The...
What if...
...
Ok, I'll try to fix it.