"“The feral cattle in the Gila Wilderness have been aggressive towards wilderness visitors, graze year-round, and trample stream banks and springs, causing erosion and sedimentation,” Howes continued. “This action will help restore the wilderness character of the Gila Wilderness enjoyed by visitors from across the country.”

That's the excuse. The reason for killing them is so that people cannot shoot them for food.

"You will have to get used to the idea of eating synthetic beef" That was a statement by Bill Gates at a Ted Talks seminar. He is 1/2 owner in one synthetic beef factory and has investments in 4 others. Go figure!!
WEF - "Red meat might be consumed once a year as a treat".