I don’t know Thistle about that Thistle. My Grandmother, from Mindanao, never went to school beyond I think 4th or 5th grade, knew the Mass completely in Latin, and knew exactly what was being said and done. . Of course, when she went to school most of the lessons were in Spanish so maybe that helped, I don’t know. My Mom, who likewise didn’t go very far in school not only knew the Mass in Latin but actually taught prayers and devotions to others. During the Japanese occupation of the Philippines many foreign clergy were in fact arrested and imprisoned, the Japanese being concerned with Asia being only for Asians, and my Mom and Aunts along with many others, helped to keep the faith going with novenas clandestine Masses etc and hid Priests as well as other westerners, servicemen etc.
You seem to feel that the poor would not be able to relate to or learn the language. **I can tell you from personal; experience that is not true and in fact for you to say so is very insulting and extremely demeaning. **
And just so you know, the majority of the worlds Muslims also come from poor countries yet they all manage to learn the Arabic required for their faith. Why do you feel that third world Catholics are less able to do that?