and the kinds of latinos who use latinx (latinxs, plural) are not the kind of people who would want to anglicize a part of their identity.

i think that "latinxs" has historical basis, as there are gender nonconforming people in Oaxaca, Southern Mexico known as "muxes." The word is indigenous in origin, genderless, and refers to transwomen (as we we might call them in the US). This is just an educated guess though as to how that word came to be.

These are just my thoughts on your question.