One of the authors, Dean Spears, is the director of the Population Wellbeing Initiative at UT Austin. This is funded by Elon Musk.
https://www.simonandschuster.com/books/After-the-Spike/Dean-...
https://x.com/josheidelson/status/1804220475108921458 | https://archive.today/FtxTq
https://www.bloomberg.com/features/2024-elon-musk-population... | https://archive.today/dm0gm