Isreal does not have a right to exist, Israelis do, but Isreal doesn't. It only exists because the land it was on was forcibly taken from Palestinians.
Edit: spelling
That's the joke. It's parodying the countless jokes like that that straight cis people make, and saying that you would be so offended if queer people made stuff like this.
Silly, that video doesn't have any sound. Smh