On: Nightshade: An offensive tool for artists against ...

[fastball]

Well first I meant "not rivalrous", whoops typo.

But from there my point was that, in order to ask what "should be", you must ask what can be. I don't think there is a way for ideas to be non-rivalrous, period.

So sure, saying ideas are not rivalrous is descriptive, but there isn't really another option.