I'm very uncomfortable with the assertive tone of this post. It's probably the right move to push for vitamin supplements, but we really should be careful with

I'm very uncomfortable with the assertive tone of this post. It's probably the right move to push for vitamin supplements, but we really should be careful with asserting the benefits with basically 100% confidence like he does, to the point of guaranteeing causal connection and claiming that further studies will only illuminate few more details in the picture. It's almost irresponsible, specially in the context of an ongoing pandemic. And I've read that vitamin D has been touted and later dismissed as the solution so many times...