I understand the opinion, but I don't understand the sudden outrage. LI, Google and Facebook have always wanted your third-party email credentials for Friend F

I understand the opinion, but I don't understand the sudden outrage. LI, Google and Facebook have always wanted your third-party email credentials for Friend Finder-style features. The only difference is that this time we cannot even hope that they delete them after logging in once. Security-wise, it's all the same.