I see a lot of non-native English speakers speaking English to each other because it’s a common language they all know. It’s not the same as what you’re describ

I see a lot of non-native English speakers speaking English to each other because it’s a common language they all know. It’s not the same as what you’re describing, but it gets people a lot of the way there (my observation is based largely on Europeans and South Americans but others too, basically anywhere where English is commonly learned)