That's because Americans have collective amnesia and instantly forgot how bad the last president was the moment the next comes into office.

Nearly 45,000 such parents were removed in the first six months of this year, says the federal department of Immigration and Customs Enforcement (ICE).

At least 5,100 U.S. citizen children in 22 states live in foster care, according to an estimate by the Applied Research Center, a New York-based advocacy organization, which first reported on such cases last year.

And an unknown number of those children are being put up for adoption against the wishes of their parents, who, once deported, are often helpless to fight when a U.S. judge decides that their children are better off here.

https://www.mprnews.org/story/2012/08/26/parents-deported-what-happens-to-us-born-kids

Oh and not only was Dronebama the king of 'kids in cages', he was also allowing those children to suffer horrible abuses.

The allegations include reports of physical, verbal, sexual and psychological abuse of migrant children and the denial of clean drinking water and adequate food.

https://www.npr.org/sections/thetwo-way/2018/05/23/613907893/aclu-report-detained-immigrant-children-subjected-to-widespread-abuse-by-officia