Isn’t this just called “having a discord server” or even a group text? If you only want to talk with people you know outside the game, you don’t need the game to facilitate that.

most of the Roblox predation is occurring on Discord, so not a solution

(and actually explains why the CEO this article is about feels like its not his problem, because as long as people keep pointing fingers in the wrong direction for our legal system, then the CEO and Roblox corporation will be impervious and their efforts seen as sufficient)