You haven't found the opposite. That's because you didn't understand what I stated.
Stating that wearing masks slows the spread obviously happens, but that was not my point, nor does what you referenced disprove what I stated.
To use an analogy, I'm stating that if you drive toward the cliff at 100 mph, and you reduce your speed to 50 mph, you're still going to drive off the cliff, it will just take longer.
You're trying to argue that if you drive at 50 mph, you'll never get to the cliff.
The goal was to slow the spread so that hospitals can handle to the patient load. It was never to stop the spread, because that is an impossibility in a global pandemic.