I've experienced that too. I lived many years in a so-called developing country, and when coming back to my native, so-called developed, country I was struck by

I've experienced that too. I lived many years in a so-called developing country, and when coming back to my native, so-called developed, country I was struck by the difference in crowd behavior between the two. In the former people were way more efficient. Since then, I practice relaxation techniques when walking in the streets, and I'm not bothered anymore.