Why 18-20 are isolated from 21+? Aren't they all adult or in some countries children develop slower?
US drinking age probably being used as a proxy for "adult-ness".
> Why 18-20 are isolated from 21+?
We have 18-year olds in high school in America. The headline risk from a 40-something sleeping with a high-school student is probably something Roblox wants to get ahead of.
They aren't:
> Users only speak to other players ±1 age group
I.e., 18-20 can speak to 16-17 AND 21+, but 21+ can only speak to 18+