The article doesn’t quote him saying anything against shooting or saying anything in favour of restoring nature (trees, etc) to the land. Perhaps he is in favour of these things, but perhaps not. The Gamekeepers are powerful; their employers more so.
I often think the same thing when reading articles on flooding where there is no mention of returning rivers to a more natural state of reducing subsidised sheep farming on upland river catchments
In other words let’s focus solely on climate change (which is hard locally to do anything about and so no action takes place) instead of what locals could do which is within their power to lessen it’s effects