I was just about to make the same point. There's no rationale at all for calling Mexican illegal immigrants refugees. The situation in Mexico isn't that dire, and people who live in the few regions that are really bad can just move to other regions. One could actually make the case that people fleeing some of the Central American countries should be considered refugees though. Then again, there would be a better case for them being refugees in Mexico (first point of exit), not the US.
I could be wrong but I believe the immediate crisis is a massive influx of children from Central America not Mexico.
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If hindsight is 20-20, why is it so often ignored?