We may disagree on the balance of personal freedom/responsibility, but you have described our predicament pretty well. I would only change one word...to poorer AND less numerous. Since you have mentioned you want to have five children, I guess that one is off the table for you. So are you planning to live in your car again?10 years is a nice, conveniently round number...
Transportation is 28% of energy use. EVs aren't going to solve the CO2 problem even if authoritarian measures are deemed necessary.
Wealth and fossil fuel consumption are inextricably linked for the time being. The way to reduce consumption is for a population to be poorer or less numerous. Which one of those options would you like to run your political platform on?
Covid is an example of what it takes to significantly reduce fossil fuel consumption, and even then, it's reduced it by what, 20%?