It's been proven that when consequences are removed from a bad action, there is an immediate increase in that action.

Remove the punishment and abuse of the system will follow.

Ebay doesn't care if sellers are inconvenienced.

That said, I get very few nPB's.

However....

Sales drop dramatically anytime I'm not uploading a new listing(s) for a few days, and the longer I go, the less sales I have.