[Theoria]

'After condemning child separation and saying that he was not looking to reinstate the policy, Mr. Trump seemed to suggest that it was an effective way to discourage border crossings.

“I’ll tell you something, once you don’t have it, that’s why you have many more people coming,” the president said. “They are coming like it’s a picnic, like ‘let’s go to Disney Land.’ President Obama separated children. I was the one who that changed it.”'

[oincobx]

So it was an effective tool to stop inmigration, and the President chose to end it and not restart it? Interesting