Logic would seem to dictate that if they are claiming an aboriginal right, that they should have to use traditional aboriginal methods to be entitled to those rights. If not, (in my opinion) they should be subject to the same rules and quotas applied to non-aboriginals.
Weirs would be an excellent method to harvest Salmon in a selective manner without harming non target species. Dip netting was also traditionally used, and I believe it is still practiced today. I am not suggesting their rights to harvest be extinguished if they use non-traditional methods. I am only saying if they choose to use a rifle to hunt, then they should have the same season and bag limits as other hunters. Many non-aboriginals enjoy bow hunting for the extra challenge, even with other modern weapons at their disposal. It would seem to me that if non-aboriginals still hunt using a bow, that natives could easily do so as well if they wanted to be exempt from the hunting regulations applied to others.
There is really no point in arguing the fact, because the courts are never going to change the methods aboriginals are permitted to use. It is simply a commonly held viewpoint among non-natives, that the courts do not share. The courts decide the rules, so others views are totally irrelevant anyways. It's pretty much a moot point, because the courts are never going to change the status quo.