Anzaldúa talks about Chicano Spanish and the stigma associated with it. Related to that is the Chicano English dialect that many people of Mexican descent speak. Where I grew up (in Pueblo CO) Chicano English was regarded by many teachers and administrators as “uneducated” and was certainly not seen as a valuable cultural asset. (Ironically almost everyone who grew up in Pueblo has traces of this accent.) The following two links get at some of the dialogue around Chicano English:
Why do chicanos purposely speak english with an spanish accent when they only speak english to begin with?
George Lopez: Chicano Speak