They met on a Birthright trip then married. Now this American Israeli couple’s internet fame has turned to infamy.

פורוורד

Ethan and Hila Klein first met at Yad Vashem — Israel’s Holocaust museum — in 2007, a meet-cute they recounted, giggling, years later for their millions of YouTube followers. “I think I went up to her and said something like, ‘They had it…