You don't sign an EULA saying you can't do those things because scanning then distributing is already prohibited by copyright. The way to start a license war is to keep the status quo of these companies being able to ingest and essentially reproduce human work for free. One of my big worries about AI is that it will accelerate companies locking everything down and hoarding their own data.

I suspect it’s already has a dampening effect on individuals sharing. It leaves a bad taste in the mouth to know that anything you share intending to help fellow humans will immediately be ripped and profited from by companies that want to take your job and profit from it.