Possibly , but that’s not what you said.
The implication was that making cars idle was the point of blocking in the road, which is wasn’t/isn’t.
How does <this thing that i know was not the point> <fulfil the goal i know is unrelated to the thing i just mentioned> ?
A failure of sentence structure or purposeful trolling.
Fair enough.
You realise that the fact you’re even talking about it means it’s doing more than just making cars idle.
Now, whether it’s actually helping anything in a tangible way, that’s a different conversation entirely.