Yeah, if it just were the hams who are against BPL.

There are far more users on the HF-band than just the hams. There are "small" communities like military and air traffic who are opposing BPL as well because it would also ruin their ways to communicate over a long distance without dragging cables with them or to have many radio relay stations along their routes.

Of course then there is satellite communications, but I don't think we will see gear suitable for, lets say, spec-op -troops to carry with them all the time to provide them reliable enough way to communicate with others like they can do with their small HF-radios.

And what about emergency situations? All communications and power is cut out for large areas. How would you call for help? Via radio, of course. But because of BPL nobody can hear your scream. "But hey", you would say, "then there will be no BPL around to mess with the communications". Yes, but there where the power and communcations, and the help of course, is, there might also be BPL so it would be hard for them to receive your message and your critical help might not arrive in time.

No, don't think me as an enemy of technology even after this. BPL is good technology, but at the moment I can't keep BPL mature enough yet to be used for what many are willing to use it now. It may be great technology for a last mile or to be used inside the building, but over airlines (or what ever you call telephone wires hanging on poles) for long distance not. Some European countries (e.g. Germany, IIRC) have banned BPL because of its interferencies and on many more countries it hasn't started to become popular because there has been more problems than success with current BPL technology.