Americans cannot get into Mexico without a Visa, at the least. Mexico wants to know who is entering, and for how long.
Why should Mexicans be allowed into the US en masse, no visa, no documentation, etc? Maybe they are not Mexican, just using this avenue to enter.
Let’s say you live in a three bedroom house and 10 more people decide they want to live there, too. Would you open your door to these people who need a place to live? If not, why not? After all, they are homeless and you have a nice house!
Most countries have borders they enforce, no one complains. Those who allowed open borders — Germany, for one, are now regretting it.
THINK!