>You don't need a lawyer to go to a courtroom

You need money and free time to go to a courtroom.

>They're very unlikely to sue for damages because the cost of their lawyers far exceed whatever 'damages' are in place here,

This is a not a smart thing to do without legal console. There are plenty of very large, very wealthy companies that love to play SLAPP.

Your suggestion of FAFO isn't a great idea.