1. Many people now also don't really place any intrinsic value in human life compared to other animal life or the planet in general. I.e. a lot of people don't

1. Many people now also don't really place any intrinsic value in human life compared to other animal life or the planet in general. I.e. a lot of people don't believe humans are superior or especially worth being preserved 2. Enough people are still having children that it seems unlikely extinction will occur due to their own decision to not have children