It's good that they are now more serious about informing their users, but the first time they did it they were very discreet, not even a mention on their blog. A very unpleasant surprise.
A 6 month window is too short, and applies indiscriminately even to accounts that only use a few bytes. They could just delete the content and deactivate them... well, actually that's what they do, but they demand money to reactivate them ._.