> It's "unproven" as a treatment for COVID but pascal's wager would say that there is no harm in taking it.

That's nonsense, plenty of approved medicines have pretty crazy side effects, and can do more harm than good if taken when they aren't needed.

Pascal's wager, about the existence of god, is also incorrect FYI. It posits that you should believe in god because you have nothing to lose. Amongst other criticisms it fails to take account of the negatives of adhering to a belief system, and it fails to take account of the possibility of choosing the wrong god(s).

I think an underlying assumption of Pascal's wager is that choosing incorrectly not to believe has an infinite downside in the form of eternal torture (that is, hell). Charming, really.