Diab was one of the Syrians dismissed by western media when he testified to the OPCW that he had not been subject to a chemical attack but had been used by the White Helmets. For Western media, only some children are credible (exploited)"when it suits their narrative.
One such youth, Muhammad, gained notoriety when eastern Ghouta was being liberated. Like the Aleppo child Bana before him, the Ghouta teen had an account in his name on Twitter (the dodgy logistics of which I raised in my last article) and was busy parroting the accusations.
Incidentally, Ghouta (to the silence of media which claimed concern in 2018) is rebuilding, in peace.
In any case, I get the feeling people are tired of lying Western media, chemical hoaxes and the antics of the White Helmets. I certainly see propaganda apologists getting called out on Twitter more than prior, and people are extremely skeptical of chemical weapons accusations.
As Vassily Nebenzia said of the OPCW official report on Douma: "Humpty-Dumpty, as we know, "sat on a wall, had a great fall and all the king's horses, all the king's men, couldn't put Humpty together again". I mean, that is exactly what happened to FFM report. Exactly."