The "personal responsibility for climate change" angle is a distraction. In the grand scheme of things, meat eating makes little difference. It's the burning of fossil fuels by cargo ships, cruise ships, airliners, private jets, and by governments and militaries.
We're not going to make a dent in climate change by not eating beef. We need to lobby and fight for extensive regulations on pollution and for investment into green energy generation.
An article like this is just a distraction.