A lot of fishing conservation programs are not just about making fishing accessible for Canadians, its also about keeping fish population/levels healthy by monitoring water conditions, kick starting remedial work, and raising and stocking fish for natural populations.

Source: GTA angler and conservationist.

Good resource management means long-term protection and stability, often at the expense of short-term profits. Boom-bust "jobs" vs stable careers and trades you can pass on to the next generation.