You do know that in addition to the poaching, he could’ve also had concerns about Epstein’s inappropriate behavior. These are not mutually exclusive reasons.
You find one problem, then often another concern and it’s bye bye.
That's what happened. President Trump suspected shenanigans and wanted no part of it.
Whether this was the issue that turned President Trump TOTALLY against Epstein, or it was a sour business competition, I don't know.