Everyone by now knows, or should know, to take anything on Wikipedia with a grain of salt. It’s not without some genuine value though. I like to use it as a quick way to find a few dates, or at least to get a sense of the historical context on a subject, to refresh my memory, or to help me fill in the gaps in my knowledge about a historical event. This works for some topics better than others. It seems to work well for topics in modern western military history, such as the two World Wars. It can also work for information about famous places. I just referred to the page on Seville to refresh my memory on the date of the city’s switch from Muslim to Christian control, although I wouldn’t cite this date in a paper without consulting a more reliable source.
But these pages are in a horrible state: Moors, Hispania Baetica, Córdoba, and Mezquita. Woe to any student who relies on them for a school report. These pages could lead them into C territory, or worse, if I were grading them. Beside all that, if I ever teach a class on medieval Spain, I can already anticipate the problems I’ll have trying to deal with the term “Moors.” It belongs in the same bin as “feudal.” Students should be familiar with these terms, but they also need to know how troublesome the words have become.