Microsoft,Yahoo, Google, AOL, Skype and Apple all did more than legally required.
It's great that twitter took a stand, but if that company failed everyone would easily replace it. Twitter is toy.
Well I guess it depends on what your definition of "toy" is. I think all popular social media platforms deserve careful consideration. They have a colossal impact.
It's more interesting to consider what, exactly, government surveillance can be used for.
And really, "James Bond" style villainous plots aren't what we _really_ need to worry about. The real weapon in these platforms is disinformation campaigns-- and the actual actors behind such campaigns (as well as anyone else who is paying money to influence any user) should be revealed to the public.