What about changes in design Philosophy - has anything been mentioned on that front? I don't want to shit up this thread, but I'd be a lot more interested in this game (particularly as a sequel), if Bungie properly explained their vision for Destiny 2 and how it differs from the first, rather than just talking meta changes.
Skimming a few vids and articles, this seems to just be a polished version of the first's formula, rather than adding new hooks.
This follows the formula of the first game, but bigger and better so if you don't like what they were going for with Destiny then this probably won't be the game for you.