If I listen to it, I have been consuming those styles for years. And more so in the cities on the borders, there are thousands of cases from wFM to XENK, without going through regional projects like "Energia digital in Sonora, Stereo cien in CDMX, or chains like extasis de radiorama or MIX de Grupo Acir"
My point is that the vast majority of Mexican immigrants to to the US... and to Chicago specifically.... are from the C-, D and E socioeconomic levels, not A, B and C+.
A is "wealthy" and B and C+ are upper middle class and middle class. The folks whose kids go to private schools, learn English, go to college or a professional school. They are also the people who generally do not emigrate from Mexico because they live better there than they could in the U.S.
I was definitely "A" when I owned a dozen stations in Ecuador. Were it not for the government exiling me (and killing my associate newspaper editor) I would have stayed there. I went to Puerto Rico where I had a one-bedroom apartment; In Ecuador I had a hose with 3 live-in maids, a gardener, a watchman and a bodyguard and ate out every night and took trips to Brazil, Argentina, Mexico and Europe once a month at least. Who would leave that?
Back in the 60's when I was an "intern" ("Aprendiz") at Organización Radio Centro I was specifically tasked to XERC, Radio Éxitos, which played English and Spanish top 40. That station had almost all A and B socioeconomic class listeners. Our sister, XEJP, Radio Variedades, played only Spanish top 40 and included some of the groups like Los Apson that Éxitos did not play. It's audience was almost all C- and D class.
When Arbitron tried to introduce its ratings to Mexico between 2000 and 2005, they hired me as a consultant. I did meetings with every group in CDMX and learned how the stations with 15 to 20 shares that played grupera billed well less than half of what stations with a 4 to 5 shared that played all English music.
That is how, back then, stations like XENK 620 with nearly no ratings and "música que llegó para quedarse" all in English from the 50's made good money, but the all norteña station on 1590 that had decent shares could not even afford to keep its transmitter operating!