The River, The Salmon, and the Libertarian Capitalists

I read that the 2000-mile-long Yukon River is no longer the habitat for plenteous stocks of salmon. Millions of people have been losing access to this nutritious delicious food. People with plenty of money aren’t deprived. Libertarian capitalism works for them, so they claim that over-regulation is responsible for our ills, including declining stocks of salmon.