Loading and saving forever. Welcome to your eternal punishment.
I kind of wish there was a bulk way. I do think there might be third party programs for exs, but not sure about Space Designer. It would be really nice when loading in a large Wav IR pack.
Impulse responses are sampled based off of actual rooms. You certainly don't need them but they have their place. Btw I just put a flaming bag of poop on your doorstep.