While the aviation industry, and as you point out low capacity flights in particular, is a major perpetrator for high CO2 emissions, the food industry is the number one area where your average consumer can make a big impact.

I agree with you that governing bodies should be putting more pressure on the excesses of the wealthy and on industry, but changing industry practices and consumer behaviour are not mutually exclusive, especially when we should be doing everything we can on all fronts to overcome this crisis.