It's interesting to see how upset people are on Goodreads about that book:
https://www.goodreads.com/book/show/145624737-not-the-end-of...
The top reviews are mostly people angry with Ritchie for not being a catastrophist.
https://ourworldindata.org/funding
[1] https://hannahritchie.substack.com/p/reflections-on-substack
Could be wholesome and altruistic. Or it could be something else.
Someone can be an honest ideologue (useful idiot) without being directly funded by someone shady.