I agree that it would be a great thing, but I wonder if they would be able to muster the solidarity (not to mention the cash) to make it happen.
I don't have the statistics for how many reserves the proposed pipeline would pass through, but like a lot of polarizing topics, you're going to find vehement opposition from some bands and support from others. Whether they could somehow all agree to such a plan is anybody's guess, but I'm skeptical.