

As far as I can understand, that number refers to current electricity usage. So the actual energy cost is significantly higher and it’s currently growing at a rapid pace.
Also what’s with the whataboutism? Aviation emissions are a huge problem. We don’t use it as a bar for whether something is significant or not.
What do you mean “duh”? The password managers claim that the exact opposite is true.
This would be true for a properly implemented end-to-end encryption scheme.