Alaska natives brought the Cook Inlet Beluga to near extinction using modern technology. This is to say that much of what Charles writes is true, but it's worth pointing out that modern technology is being deployed making for near 100% success with no fatalities; this is not part of their culture. 
Take away the high powered projectiles, motor boats, gasoline, diesel fuel and front-end loaders then lets talk about the preservation of their culture and language, because after all they have something at stake too.