It would be one thing if this was the first numbskull thing like this that this guy said, but it's not. He's been in the news many times saying questionable things like this, usually related to race or nationality. Where there's smoke there's usually fire ...
Regardless of content, the 1st Amendment guarantees the right of opinion.
Okay. What's your point?
What's yours?
I thought it was pretty obvious. You okay, old man? Losing your grip on reality a bit? It's okay; happens to the best of 'em.