I completely agree. As a Destiny veteran from the very beginning in year one I originally bought the game on xb360. When i upgraded to a one i debated if i should bother buying the game again. This was a short debate so i spent 60 on the base game twice with the "same" platform. That said when d2 was announced i was super excited it was coming to pc but when i read that pc is coming a month and a half later that was a deal breaker. I caved and ordered the collectors edition on xb1. Now i have many friends bothering me to get it on pc but i don't want to have to grind another 300 hours just to get my gear back. I personally would be ok if they offered an option to share your data for a fee. You pay 20 a month and your account is shared between all platforms. It could be a monthly subscription or pay it once to just send your data over to another system.

Cross platform saves wouldn't even be that difficult since we all already have bungie accounts. All that would be required on our end is logging into the game with our bungie account on any platform we own destiny 2 on. It is more than possible and I actually play Final Fantasy xiv that does this. It doesn't matter if i log in on my ps4 or my PC I log in to the game with my square enix account and play the same characters.