Don’t discount it so easily. Remember when the two Clinton Campaign bozos were hiring people to infiltrate and disrupt Trump rallies. Would they, most certainly since Soros fronts pay all the medical, legal, travel and other expenses in additon to a salary.
Here's how silly this conspiracy stuff sounds:
Leftists: "We're gonna take down your Confederate statues. They're symbols of oppression and racism!"
FReepers: "Keep pushing us, commies! One of these days someone is gonna get hurt!"
Fast forward to one of these days came and someone got hurt.
FReepers: "False flag! Antifa plants! Soros! Soros! Soros!"