You have that backwards. Roko’s basilisk would punish anyone who didn’t help create it.

I kind of assumed that it’s some kind of brain-scanning tech that can extract meaning directly from the language processing part of the brain, and it just needs some calibration for each language. If two random ships can synchronize a communication frequency and video format, they can probably also have some standard brain-scan info dump, so the scan could be done by the speaker.