It does make us question RFK Jr. However; RFK Jr. is a democratic candidate and is speaking to a democratic audience.
ANYTHING that hooks the target audience and gets them to accept new information about the illogic and crimes of lock downs, suppression of therapeutics, and dangers of vaccines is a win.
Once they start looking and get suspicious, they'll eventually figure out that Trump isn't as dumb and evil as they think.
I don't fully trust anyone any longer but I'm willing to give RFK Jr. a pass on this tactic.