You're missing the point: in a tragedy of the commons, the precise market failure is that small, individual actions (i.e. on Lambo) does not materially impact

You're missing the point: in a tragedy of the commons, the precise market failure is that small, individual actions (i.e. on Lambo) does not materially impact the common goods. Any single automobile is not a real factor in climate change. But all automobiles (including supercars) are.