Researchers have linked dietary data from over 55,000 individuals with data on the environmental impacts of the foods they eat. The team, from the Livestock, Environment and People (LEAP) project at the University of Oxford, found that the dietary impacts of vegans were around a third of those of high meat eaters. They also saw a 30% difference between high- and low-meat diets for most of the measures of environmental harm.
Um, not positive what OP meant but I interpreted them as saying you are in a bubble if you think its obvious, not a bubble if you think its true. Which to be honest, I also had the gut reaction of “well duh this is pretty obvious” but for some people it very much is not obvious.