I thought they banned burns?

In any case, I will cede the environmental case to local ecologists. But if it's already farming of grouse, that seems less intensive use than farming of sheep, as an outsider I would be interested in learning more as to why grouse moors are preferable to sheep land. It seems that grouse moors would be far more amenable to rewinding. But as I said, I only have my non-expert opinion!