Maybe not. CNN reported this afternoon that there is another vaccine just announced that is a one-shot deal.
https://time.com/5929675/johnson-johnsons-1-shot-covid-19-vaccine-shows-promise-in-early-stage-trials/
Sadly, regrettably, tragically the aging human body not reacting/performing with the same proficiency that it did in its younger years is normal for most people.
That fits the mold. He identifies himself as Cuban, and considering Trump's support among the Cubans in Florida, this man's position is not surprising.
I see no wrong/immorality between consenting adults whereby there are no intentional acts to deceive, defraud, or otherwise injure the other party(ies).