Another thing the article doesn't mention at all: if it is true that by not letting these entrepreneurs in we're missing out on half of >$1B companies then we s

Another thing the article doesn't mention at all: if it is true that by not letting these entrepreneurs in we're missing out on half of >$1B companies then we should expect some of the countries these entrepreneurs are leaving to be the sites of these companies instead. I suspect we'll see a mix of both, some companies will be founded by a different founder with a different visa status, some will be founded by the same founder, but in a different place. Neither of these is necessarily a bad thing, granted the US might be missing out on some good founders, and thus some good jobs and some tax revenue. So from a purely "America First" we're missing out... but our government does many ostensibly benevolent things to help other countries, many of them, it's very dubious whether or not they actually help. But not brain draining everyone's entrepreneurs might actually be some effective benevolence. It's ironic that it comes from an administration whose slogan is "America First."