With our departure from NAFTA either Nieto or one of his capos will have to meet with Trump or his capos to hammer out a trade deal, regardless of the wall thingy.
Mexico would be wise to avoid engaging with Trump on the off-chance that his administration goes down in flames. The Republican strategy of obstruction and avoiding dialogue can pay dividends. Why bother renegotiating NAFTA if the other party might be imprisoned?
You can dream, brother, but he's not going anywhere for 4, and possibly 8 years.