This wasn't an "everyone is in the US" type of post. Even for non-US folks, for a long time the default region was us-east-1, until they switched it to eu-west

This wasn't an "everyone is in the US" type of post. Even for non-US folks, for a long time the default region was us-east-1, until they switched it to eu-west-1, and about 1/2 of all of AWS customers are in the US, or at least used to be until recently.