As for Arum's businesses, he would rather see Inoue keep winning as he can make money picking fighters of his choice. Since he already unified the 122 division, there is no reason for him to stay but he considers defending. There are so many fighters in the featherweight where he could make money too.
This is why I'm not too fond of Arum being Inoue's promoter he likes to cherry pick fight for fighters he managed like what happened to Crawford he badly wants Spence but Arum is overprotective of Crawford and he doesn't believe that he could beat Spence
The fight happens but they wanna make sure they can make money. Does Casimero going back to MP promotion make the fight possible?
Or will they have to wait up to 5-6 years til Casim is 40 yo before giving him the heads up? It's all their game when they want to make money. If they can't make money from the Casim vs Inoue fight because it's risky, then it's just going to be the waiting game til Casim isn't in his prime.