This is pretty well trod legally. By the user taking a specific action, it makes the user responsible. Comma.ai uses the same technique. Technically their self driving hardware comes with no software. You have to click a button and point it at their GitHub to get the software on it, but it's automatic after that.
I forget, doesn't Audacity also have you do this, if you want to be able to export projects as MP3?
winamp did something similar, you actually had to whip the llamas ass yourself
We lost a Supreme Court case in 2005 on "inducement liability" (not a familiar copyright doctrine before that).
https://en.wikipedia.org/wiki/MGM_Studios,_Inc._v._Grokster,....
I'm not sure if this doctrine has continued to be applied to anything else.