Interestingly this account is 1 hour old. I would love to know how this works. Is that person paid? Or is he on a personal disinformation mission? Does he believe in the seemingly carefully crafted lies he writes?

Probably just someone who is really animated about the topic, and hasn't grappled with the underlying biology very much. There's a lot to take in and understand about how the immune system works, I don't fault people for misunderstanding it or even having strong distrust for pharma. I try to respond with that in mind, and assume people aren't being malevolent. Even if they are, it's useful to publicly shoot down bad ideas and bullshit.