Can you add "jury nullification" to the mass emails also? That's what I tell my friends and family about.
I'm not sure a lot of more libertarian types who advocate for jury-nullification are fully aware that the reason it was suppressed was that it was for decades a mechanism to basically let white guys kills black guys consequence-free.
Jury nullification is a tool, it is not itself racist, though those who have other reasons to oppose it of course paint it as such. With "fuck you" money, much of that sort of slander loses its teeth.
Do it right and it is plainly free speech; if I were to write/publish a book instead of design/rent billboards it would be very unambiguously legal. The entertainment comes in the form of seeing how they would try to stop me.