I hate to say this but I have spent some time studying the Left watermelon patch with regards to depopulation ambitions. It is like a study I did on the Left’s race hate and discrimination for power game in the early 90’s.
In summary, I would not put anything past radical environmentalists. They really do look at us like roaches infesting their planey. They despise us.
Remember, the US government rewarded the Japanese scientists who performed live vivisections on American, Russian and Chinese POWs and civilians becasue they wanted all their research in bio-weapons. Look up Unit 731 but do not watch the movie “Philosophy of a Knife” unless you are prepared for real gore.