As I said, there's a limit to such land, and a limit to how much cattle that can be raised on that land.
There's a reason why cattle farming went from extensive to intensive methods.
There's a reason why cattle farming went from extensive to intensive methods.
And it anyway affects only the US, a very small fraction of world population or land area. That the US is a very large part of the problem, e.g. importing beef, does not help.