Patigonia has now released their film on YouTube it is over an hour but is worth watching although you will see that the reference to damage from hatcheries is all about the mega hatcheries in the USA and not UK small scale stocking. If you click this link it will take you to YouTube and the film: https://www.youtube.com/watch?v=XdNJ0JAwT7I&fbclid=IwAR15CfKWV82okrDDi7VHus0e2aD2L6ufSSu01uhaZEStBYm-seq1EjFg1iY%22