User blog comment:Hawki/Nova Covert Ops, part 3 - Reflections/@comment-4817-20161130120308/@comment-72.197.211.140-20161130224339

You don't know that. Remember, their Motherships were even deadlier than the Daelaam ones, and the Daelaam ones could purify planets just fine, so I see no reason why the Tal'darim ones can't.