Now that I've read both articles (mistaking yours as the OPs for a second and getting really confused)... I think this paints a pretty clear picture in my head,

Now that I've read both articles (mistaking yours as the OPs for a second and getting really confused)... I think this paints a pretty clear picture in my head, ignoring the spin, that while yes the ozone layer has been improving, there are still risks, and potentially bad players we need to continue to be vigilant for.