Are you incapable of searching the internet? Do you need me to do it for you?

https://letmegooglethat.com/?q=wikipedia+controversy+editor

And because I know how hard it is to click the link above, here’s a couple results, you dullard.

https://en.m.wikipedia.org/wiki/List_of_Wikipedia_controversies

https://slate.com/technology/2019/07/wikipedia-fram-banning-editor-controversy.html

https://www.engadget.com/scots-wikipedia-230210674.html

I imagine you can figure it out from here. If you need, I can suggest a tutor to help you master the art of typing text into a text box and then clicking the button below it.