I think that's a more than reasonable conclusion.
I would guess that he did, and the information provided prevented large-scale terrorist attacks. There has been a lot of localized destruction by low-level antifa members, but nothing involving, for example, the use of military weapons/explosives that they are believed to have access to. It's possible NoName led investigators to terror cells and their stockpiles, stopping major acts of terrorism.
"If we stop testing right now, we’d have very few cases, if any."
-President Donald Trump