I’ve signed up with about a half dozen NE’s, and have made about $2 from one that offers a streaming service, not a single license or sale.
I ‘gave’ some songs to a big exclusive, and got $150 on my last BMI check, and am getting regular detections on Tunesat, so I know the songs are being used.
I would not have considered exclusives a year ago, but am now considering them more — especially since many seem to be moving away from NE.