I understand that that it's a collective action problem, but game theory only applies if things stay constant. By practicing what he preaches, and taking the h

I understand that that it's a collective action problem, but game theory only applies if things stay constant. By practicing what he preaches, and taking the hit to ss he shows that it is important, and he can use that to convince others to do it. As more people do it, the loss of ss per person goes down, and it might even invert (lose ss for ironing).