Earlier quoted context omitted.
So, who are you going to go drinking with at the park? And in reverse, you’re visiting the park and see someone there drinking. What’s your impression?
This is very cultural In London on sunny days the park is 100% rammed with people sitting in circles on the grass drinking, from like noon to sunset
Now in your example, suppose you’re a lonely stranger. Do you just nudge in on a circle with your beer and “Hi I’m Shawa” ?
Your answer may be yes, but in other cultures that’s going to get the police called, or maybe end in a stabbing. Which is why society is in the state it’s in