Everybody understands that there's a cost/benefit tradeoff here, so spelling it out all over again doesn't really move us forward.
Why is this particular cost/benefit tradeoff bad? Again: the evidence is that Khan is doing well. And Khan is not run by morons who just do whatever Google and Facebook --- the two largest identity providers on the Internet --- tell them to do.
Why is this particular cost/benefit tradeoff bad? Again: the evidence is that Khan is doing well. And Khan is not run by morons who just do whatever Google and Facebook --- the two largest identity providers on the Internet --- tell them to do.