Originally Posted by PAR

This wont stop much...
User data will still be sold by Amazon google facebook etc..
Users will still get caught up in a net of less secure sites...

Hackers don't get 300,000,000 user data sets one user at a time they do it by attacking less secure databases...
Then testing the user | password combos against popular sites...

Not to mention if you do have malware it's gaining your details via keyloger etc...