Almost one fifth of Scotland’s land is kept barren and dead for the sole purpose of maximising the number of red grouse – so they can be killed for sport. Many people object to the killing of animals for sport as a matter of principle; others believe that Scotland’s land is  concentrated in too few hands and used inefficiently and unproductively.
https://www.commonspace.scot/articles/13650/back-life-visions-alternative-futures-scotlands-grouse-moors