Originally Posted by
Niph
I can't speak for devs, but this game uses different designs for related things. You can get your loot from mobs, tradeskills, quest, favors, players and so on. So a boss dropping an item that is useful only to spiders is (I guess) one of these design decisions.
This means there will be something you don't like in this game. For you, it's apparently boss dropping stuff you can't use. That's completely fine imo. There are things I don't like too, but maybe you like them? P:G has variety.