Re: Also an age-old observation:
"enabling massive messages that we don't really need"
Such as the many, many lines of "legal disclaimer" added automatically to most business email address which get multiplied instead of stripped in the many replies in the chain.
I find the ones telling you to delete it if you received it in error particularly amusing since you don't even get to see the disclaimer until after you read and scrolled through the message itself. They probably have about as much legal authority as a shrink-wrapped EULA.