Generally speaking, I think Lost Sectors are fine as is, however they could be better. The reason I enjoy them is I can essentially farm an exotic piece solo. Unlike if I wanted to run higher nightfall's I would need to LFG or Discord for a party and then deal with whatever shenanigans comes from that. I also enjoy the unlocking process for new seasonal exotic gear and believe that should take precedence over the suggestion below. Besides the low drop rate, I think the loot exotic pool is too large. I suggest that the available exotics be limited two or three and rotate along with the gear piece for the dungeon. As an example, when it's a "Helmet day" titans could only receive Skullfort and Eternal Warrior. The next "Helmet day" they would be able to only receive Helm of Saint 14 and Mask of the Quiet One... and so forth. If a player did not have the latest unlock, let's say Loreley Splendor, then that would be first exotic received regardless of what was available on the "Helmet day"..