The 'rightful' immunity is from their firearm being used in a crime by a criminal that they have no control over. Biden has to answer a real question= Is Ford and GM responsible for a drunk driver killing innocent drivers in a crash? NO Different.

“Most people don’t realize, the only industry in America, a billion dollar industry, that can’t be sued… are gun manufacturers,” [Biden] added.

BULLSHIT - Vaccine manufacturers CANT BE SUED