Despite the Destiny is sold as "Coop" Game there is no co matchmaking. Not even as an NPC where you can register as Available for Fire teams etc - nothing. Accordingly, I have the game to Lvl 11 always played solo (not that it would be difficult).
Perhaps the developers have thought so at one minute load times people have to search the internet for friends anyway time ....
All Enemies feel the same. Make the larger whatsoever as a "BUUUARRHHH" and eg waving his arms for a few seconds, so it's even easier to shoot (Buaarrhhh - fire away - hide - new Buarrhhh).
The landscape is not destroyed but it is filled with invisible walls. Correct professional.
Conclusion: effortless Rummballerei without any story, but good for relaxing, because you virtually as God Mode niedermetzelt everything, and now and then you can "oooohhhhh !!! A Sniper Rifle xyz ver 1.01c!"