I mean, this dialect formed because Northern New Mexico was so isolated. The Manhattan Project changed a lot of that. Suddenly, Los Alamos labs and Sandia labs connected New Mexico with the rest of the world. It wasn't as isolated anymore.
People have told me I could learn it, but I've tried. It's hard when I talk with my family, I'd rather have an adult conversation now rather than basically a preschool level one to learn the language. They say to really learn it, you have to immerse yourself. I lived with my grandmother for several months once while working at Sandia Labs. She insisted on speaking English with me, she was stubborn about it, and I was having a hard enough time understanding her in English.
Let me leave you with a funny story. My uncle had hired a contractor to help with his house. The contractor spoke common Spanish. And he angrily confronted my uncle in Spanish: "You stole my belt!" or at least that's what my uncle heard. "[You stole] mi cinta!" However, in New Mexico "cinta" means belt, but in Mexico it's short for "cinta métrica" or tape measure. (or so I'm told, I don't speak Spanish!) My uncle assured him he did not steal it and went ahead and gave him one of his own.