Why does this Öko-Institut care about reducing emissions in farming?

Why does this Öko-Institut care about reducing emissions in farming?

https://mastodon.social/@oekoinstitut/111782856110691806

According to https://www.mdr.de/wissen/deutschland-top-fuenf-klima-emissionen-100.html emissions of farming is negligible. Even if they change anything, probably with great effort, they wouldn't change anything. They are the least who need to care.

@green