you are lying about the findings of a study and now making things up about other users. please seek help.

poore-nemecek 2018 found no such thing.

from your article:

That said, other areas of life are a bigger source of greenhouse gases — for instance the transport and aviation sector. Driving 10,000 kilometers (6,000 miles) a year causes over 2 tons in CO2 equivalents, as does a round-trip flight from Europe to New York. That figure doubles when you fly from Europe to Asia or South America.

all of agriculture is only about 20%. animal agriculture is just a facet of that