global loot is global loot. This is a system they added that has conditional application (used for a lot of tradeskills and defiant for example)
To answer the question about global loot, yes. By default all NPCs check global loot tables.
https://github.com/EQEmu/Server/blob...anager.cpp#L44 I think that explains the rules fairly well. Even if you don't understand C++, it should be pretty easy to understand.