Then the laid off employees should organize as a class action so that "this specific person would have been let go" is no longer an acceptable defense and the q

Then the laid off employees should organize as a class action so that "this specific person would have been let go" is no longer an acceptable defense and the question can be focused on whether using a "lens" to fire people based on race is illegal. If they argue that the lens means something else or that they didn't use the lens then Twilio has potentially just filed a materially false statement with the SEC.