Seeming like they care, either for population karma points or for a more sinister reason like control. Like how the oil industry has spent billions to control the climate change conversation.
edit: regarding downvotes I really don't understand the HN crowd anymore. It's like finger on the button ready to disregard anything that slightly differs from their world view. Here's a guardian link for those who are in doubt https://www.theguardian.com/business/2020/jan/08/oil-compani...
The down votes likely aren't because people don't believe the oil industry spends money to control the climate change conversation. It is more likely your assumption that the documentaries at this site are somehow connected to this or a similar non-environmental effort given the organizations involved with the site.