Yes apparently this is a thing, on university campuses and elsewhere.
University VP has extra security on campus after showing solidarity with Indigenous struggle:
"dr. linda manyguns joins the lowercase movement to reject the symbols of hierarchy wherever they are found and will not use capital letters except to acknowledge the Indigenous struggle for recognition."
https://www.cbc.ca/news/canada/calga...ages-1.6230543
Some posters on CP have been members of the movement for years lol.