Re: the genii has been out of the bottle for DECADES
Except any form of transit can be snooped. Dead drops can be watched, mail intercepted, and so on.
You are talking about Traffic analysis, this is very different from breaking encryption; it is an important tool as it gives clues on who fellow terrorists/crooks/... may be. By nobbling encryption those being watched will use different communications, some of which will not be so easy for traffic analysis.