I'm not sure about desperate but the post is completely pointless?
It said that the vaccine doesn't stop people getting Covid (it doesn't, it makes it significantly less likely you die), it states that you can still pass on the virus (it does, but reduces this somewhat), and it wains after a few months (yes, but boosters as per flu and others).
It basically says the same things everyone knows (people who are not conspiracy theorists agree with all of this).
I just don't understand