I tried this last night for about 45 minutes just to see if it could compare to the original loot cave or even the moon door...doesn't seem like it compares, at least for me it didn't. I got about 12 green engrams and 4 blue engrams. Public events kill the respawn of the enemies from the cave so that's a bummer. However, this is an excellent place to kill Fallen Majors and to farm Glimmer. Just put some ether seeds on and profit.