When I was a kid in the late 70s, my dad had a huge bumper sticker on his truck that said in white letters on a red background “More people have died in Ted Kennedy’s car than in Nuclear Power Plants”. That got a few scowling looks even in a small midwestern town. I can only imagine the horror with a sticker like that in New England.
These days, A. Even if you choose not to retaliate it wouldn't end. B. It would escalate and at best be very expensive. C. LE would be on the vandal's side, not yours.