Promoting seal hunting would definitely be a good thing. It could also diversify and support certain local economies. Regardless of the impact on Atlantic salmon, this is an activity and an industry that deserve to be encouraged.
For the past few years, places like the Maurice Lamontagne Institute have been working to better understand the impact of seal predation on Atlantic salmon. We've had a very hard time obtaining seal samples. Hunting them to collect stomach contents and tissue samples is very complex, you see.