Because Trump was right. Mexico is sending the problems they don't want to deal with like rapists, criminals, and assorted trash. Only in certain political situations (ie. Communism) where legit smart people with skills leave. If you are a productive citizen with a position that can ensure some social mobility you aren't going to be jumping the fence and drinking rancid river water in El Paso.

Blacks will hire them to build Africa, since the blacks have been too busy inventing and building everything else.

If an endless supply of unskilled uneducated labor was good for an economy we would all be going to Guatamala to live the good life.

Funny, that number has been at 11 million illegals for over 10 years. Probably closer to 20-40 million by now, if not more.

That is a great meme.

NAFTA also played a big role because it wiped out the Mexican and Central American farming sector.