Never let a crisis go to waste. And there are a lot of spoopy things happening with food production facilities.
Remember the main tenets of the anthropomorphic climate change argument. CO2 from fossil fuels =create the conditions for high fuel prices (or hail mary a long period of no air travel). And methane emissions from cattle => create the conditions to drastically cull the number of cattle.
These people are True Believers, so any action they take they will view as justified in their minds.