Ah, but the point isn't to solve climate change. The point is to engage in a public display of virtue by lecturing others on their shortcomings. This gives one

Ah, but the point isn't to solve climate change. The point is to engage in a public display of virtue by lecturing others on their shortcomings. This gives one the smug (and illusory) satisfaction of being a Good Person without requiring any actual personal sacrifice. You're right. These particular retirees aren't even a rounding error of a rounding error of a rounding error. However, they are Climate Sinners, and must therefore be denounced.