Optics is everything.
They control what you see, and they most certainly don't want you to see the president standing amid piles of human suffering, especially when it's his first visit ever to the crisis he created.
Keep all those dirty migrants out of the way! It might be bad if America learned there are millions of young violent men indebted to the cartels pouring over the border, or millions of young girls who will be sold to dozens of men for sex every night in a city near them.
As usual, a huge outpouring of loyal supporters came out to cheer on the most popular president in history.
Perhaps the best way to sum up the entire short visit was this clip where Biden turns his back on the border indefinitely.
At least Gov. Abbott of Texas had the stones to tell the president what he thinks.