They don't know who Jean Becker, Chief of Staff under George H.W. Bush is? Or Beverly Barrett, Special Assistant for Cabinet Affairs and Christopher Barton, Director of National Security Council under George Bush? Or Sally S. Bradshaw, Chief of Staff for Jeb Bush? Or Rob Freeman, Deputy Staff Director for John McCain? Shall I continue?
The Trump campaign might think the list of signees is hilarious, but their votes still count as much as any run-of-the-mill cult member. (I think it's nervous laughter we're talking about, anyway.)
I would say the joke's on you.