wow, that's... bonkers. i wonder why the hell he's saying this kind of thing -- it's not like his companies are having issues due to covid-19 (afaik).
Well, Tesla is selling cars, which is not exactly in high demand right now. At the very least, confinement has an impact on Tesla for that reason.
Basically, we may be seeing a car dealer complaining safety measures prevent him to sell his products.
edit: I'm dumb, he can't run for president of the US.
There are residence requirements for foreign-born US citizens to pass on citizenship to children born abroad, which already contradicts your statement. This applies to mothers and fathers (with a paternity test if not married). Furthermore, it hasn't been legally settled whether someone born a US citizen abroad counts in this clause, though personally I suspect anyone born a US citizen (not just, and not always, children of US mothers) would qualify if challenged.