"Right. Given the diversity you'd expect with all the combinations that create life, it's statistically improbable that all encounters would be similar." Because that totally makes sense, right? He's justified it enough for himself, and that's what counts.

Billy exhales slightly, then glances up, as if their captor might be around. "I wish those were the circumstances---but almost everyone not in uniform was pulled here from a different point in time and space. The crew's still working on the why and how."