The big issue undermining TFA argument is that the Culture-Idiran war wasn't started by Culture, and for a time Culture simply gave space (this is, btw, the ori

The big issue undermining TFA argument is that the Culture-Idiran war wasn't started by Culture, and for a time Culture simply gave space (this is, btw, the original tenet of Culture - that with habitats in space, they can simply move them). Unfortunately Idirans considered Culture anathema and accepted no other option than total destruction in name of religion.