The comment I originally replied to:

They would just have to start DMing us meme images hosted on a server they control, and they’d get a list of IPs. All we’d have to do is look.

So they would send random DMs with pictures, to threaten lawsuits they couldn’t enforce, to achieve what exactly?

“Judge, they looked at this publicly accessible image” is hardly evidence

Sometimes you don’t have to win a court case legally, to win a court case. Just the harassment of the lawsuit is enough.

That’s not a lawsuit they would even attempt, as it would get immediately thrown out.

Unless anyone shared the in image link anywhere else on the internet. “Judge, they looked at this publicly accessible image” is hardly evidence