Well, we now have at least one learning from the coronavirus pandemic: behaviour change really doesn't jump from country to country.
No matter what the spectacle of what is happening elsewhere, it seems almost impossible that change will be adopted simply by seeing it.
Your correspondent returned from the US on what appears to have been the last Qantas flight out of Los Angeles. I left a place where, well, if film school students aren't out there guerrilla-filming their zombie apocalypse film, they should probably reconsider their career choice. The place had become the backdrop of 1000 tacky B movies.