I see different reminder alert options depending on whether I'm setting up an event on my phone or on icloud. If I pick a certain option in icloud, when it syncs to the phone, there are suddenly TWO alerts -- and neither one is what I originally selected when creating the event. WTF?!? How...

I sync my Mac (OS 10.8.5) and iPhone 5s (iOS 9.2.1) through iTunes. In iTunes I have made sure that all calendars are set to sync. Events in Calendar sync correctly both ways, except that alerts do not sync at all either way. (With my old iPhone 3g, alerts synced from the Mac to the phone, but...