They're not facts, they're opinions. And essentially, they don't take into account the fact that the vaccine is in short supply globally. Once all the vulnerable are jabbed, then by all means crack on.
We're busy stuffing million of people with vaccine against a disease which is extremely unlikely to hospitalise them, instead of exporting it to people who are very likely to die.
The argument is to defend us against new variants, but that assumes our borders are sealed, which they obviously are not.