Anti-Defamation League Chief Executive Jonathan Greenblatt said he didn't think Elon Musk's viral gesture to the crowd at a Monday celebration of President Trump was offensive, after it drew comparisons on social media to a Nazi salute.

Some across the political spectrum said the gesture looked like a "Heil Hitler" salute. The ADL said it was not.

Right-wing extremists are celebrating Elon Musk’s straight-arm gesture during a speech Monday, although his intention wasn’t totally clear and some hate watchdogs are saying not to read too much into