Authentication is a bitch.
Several waves of effort to "raise awareness" have happened, they all fare about like Musk's most recent: https://www.cnn.com/2022/04/28/tech/elon-musk-authenticate-a...
Perhaps we just have to accept that things you can't smell are most likely not real, and assess the things we see on the internet in that light.
Did you believe that an energy drink would give you wings, when it was the company making it saying so? Why would it be more credible from some random handle on the net?