Al Gore could change everything about his life and effectively change nothing about the climate, what’s your point? It’s a complete non-sequitur to point out one advocate’s lifestyle when it’s a global problem. It’s actually just disingenuous.
Influencing culture, groupthink, mindshare is the most powerful thing one can do to affect change. This highlights that vegans are not solely interested in minimizing meat consumption but rather also put weight on the burden of their own conscious. A raindrop is nothing compared to a flood.
Yes, the same is true for you or me.
The greatest trick that oil companies ever pulled was convincing the average person that it was their fault they had to pollute the air and water.
We didn’t expect consumers to address CFCs and the ozone hole, or leaded gas and it’s harmful emissions. Why do we expect CO2 to be any different?