Muslims in Andalusia co-opted all minority religions. This included Catholics in Arian areas and Arian christians in Catholic areas. Jews accepted Islamic overlordship because they had no choice and because many Vandal warlords in Hispania were pursuing policies of either driving out Jews or forcing conversion.
Reading your post it all hangs together. What I find interesting when we talk about the era is the way that 700 years of history is spoken of as a unit. My bet is that you will have to think a while before you tell me what year or years you are talking about in your post or even google it to see if it’s 1300 or 900 or 1100 or . . .