Why was itunes split?
This is now a complete pain to synchronise my phone and the apples devices app keeps 'hanging' and not finding my phone or not transfering files???!!! WTH
iPhone 15 Pro Max, iOS 18
"Why" Apple does anything or makes any decisions is something no one here can answer since we are all just fellow users. As to your problem, if you post back with details about your system and what you've already tried, someone may be able to offer suggestions.
Regards.