When counteracting what I said, you conveniently left aside:
1: The part where we, at the time, were told that the hole would take hundreds of years to close: It didn't. (Pear Reviewed article from 1996: https://www.nap.edu/read/9042/chapter/1#6)
2: China is still producing those CFCs: https://www.bbc.com/news/science-environment-44738952