Of course you are right. This is not about right and wrong, it’s about cheap labor and new Democrat Party voters. Without a influx of several million new poor citizens the Democrat Party will be out of business.
On the other hand the country club GOP want the cheap labor. The fact that it revitalizes the Democrat Party doesn’t matter as much to them.
Take the money and run.
http://www.cis.org/articles/2006/back706.html
Here’s another theory and an interesting read. I got this link from another Freep thread.