Yeah, my 55 years of hunting experience says there are really no "our spot" or 'secret spot' that no one knows about. Worse now with all the aps and better maps.
People hunt area's, stop using them, new people start using them. Then becomes "Our spot" to them.
Get over it, move on, or blame your buddy if you want to and hold it against him. Maybe he did, maybe he did not. Either way, the cycle continues.