Not OP, but signing it probably made the mess immediately disappear. Even if there was no legal requirement, the stress and potential expenses are not worth it if the data was genuinely deleted.
Taking a moral stand has costs that not everyone can bear.
And besides it’s an affidavit not an NDA. It’s just a legal document claiming that what he said happened, did in fact happen. Not sure what the moral stand is here in not signing it?
Taking a moral stand has costs that not everyone can bear.