My guess is that this announcement will coincide with a new wave of technical or legal assaults against SciHub. Otherwise, as others have pointed out, it would have made more sense for Elsevier to go after smaller targets first.
Dinosaurs die hard.
Dinosaurs die hard.
We always have choice.
Passing the buck and saying “I believe what I’m doing is wrong, but until there’s a policy that prevents everybody else from doing it too, I won’t change” is just lazy.