Because I like solutions that are possible, and I can't think of many things more difficult than changing people's behavior. We can't even convince the public

Because I like solutions that are possible, and I can't think of many things more difficult than changing people's behavior. We can't even convince the public to wear face masks in public and that vaccines are safe, and you're telling me that it would be trivial to make everyone go vegan? Even discussing this is pointlessly filling the atmosphere with more CO2. I actually happen to think that our civilization will inevitably become vegetarian, but it won't happen within my lifetime, and in the meantime, some scientists have found a cheap way to reduce methane emissions. That's awesome! Stop pissing on their work.