Heck, my father-in-law (91 at the time), a WWII & Korean veteran was going to vote for Hillary until my wife, his daughter, updated his knowledge about who & what Hillary Clinton really is, and what the Democrat Party had become.
He cast his vote for Donald J. Trump after getting information never discussed by the MSM. In other words, he was just doing his patriotic duty, but doing so uninformed & clueless. Instead just voting the party he had always voted for, thinking they were the still the party of the people as he had always viewed them as.
I don’t think you read the article or understood the title. How many WWI vets are around?