Do you want to be the guy who goes to those Texas ranchers with eminent domain papers?
Sure. Most of them would be glad to see me. I used to know a few of them, long before the slow invasion became a flood, and even then, the ones I knew, were wishing something would be done about it.
They don’t OWN the center of the river. And they DO suffer more than just about anyone the depredations of the alien invaders.
(Same deal with the New Mexico and Arizona border ranchers. {Of whom I am acquainted with several}.)
The the inconvenience to themselves, their livelyhood and property would last only a few weeks to a year depending on the size of their spread... Compared to a never-ending flow of people across their lands otherwise.
Oh, sure there would be a few people who would resist, and some quite vigorously... But for the most part, it would be a piece of cake.