Or alternately, in timelines where the ozone hole is mitigated too early, without a world-culture-impacting ozone hole catastrophe and its amelioration, human c

Or alternately, in timelines where the ozone hole is mitigated too early, without a world-culture-impacting ozone hole catastrophe and its amelioration, human civilization then lacks the training to recognize and mitigate the following larger and more challenging global warming catastrophe? IIRC, for many years concern about CFC environmental impact, and recognition of their ozone hole connection, was a bus-factor-one very-uphill effort. I've wondered if they every thought "maybe if I'd worked on something else, and recognition and mitigation had been delayed, then maybe..."