What would be some benefits in allowing amnesty for certain undocumented aliens who meet certain criteria?

Here is the 2006 Amnesty Proposal. I’m looking through it so I can compare it to the 2010 proposal so I can see what changes to it Obama may present in his never ending quest to destroy our country (and it’s a helluva lot easier to read than the Health Reform bill was)

One benefit is that we’d be adding more tax payers, which would help with the looming SS crisis. More tax payers would help all the way around.

I think people have a stereotype that all Mexicans are lazy and violent. From my own personal experiences I find the opposite to be true, for the most part. Further, the criminal element would not fit the criteria for amnesty.

Also, a good part of this country belonged to them originally.

So lets get this party started. Why would amnesty be a good thing, albeit an imperfect thing?