In this case you have evidence of absence. (not hearing an elephant, not smelling an elephant). I believe your analogy fails because you still don't understand the point I'm trying to raise, I have tried repeatedly. I'm happy for you to disagree with me, but it seems you just haven't got this specific point I'm trying to make over and over again.
The burden of proof is always on the person who brings a claim in a dispute. So if you, or twitter, or anyone else know Avi did that on purpose to attack Greta, then you need to prove that.
The burden of proof is so high, because there is such a fear of convicting innocent people; surely you see this?!
I have seen many , many reputable people express the opinion that the treatment of Greta is tantamount to child abuse.
Here is Sky News Australia's Andrew Bolton:
Would you say the same things about Bolton that you have said about Avi?
There's a photo of her wearing an anti fascism tshirt doing the rounds. She'll be a leftist anti white supremacist Nazi thug in no time. Desperation on a large scale. Attack anything that makes you (the right) feel threatened.
Trump on yesterday about being harassed, 'Presidential harassment' forgot about Obama I suppose the hypocrite.