There were certainly decisions made with Sansar to avoid messiness that happened in SL. (You might say the entire existence of Sansar....) Improbable supposedl

There were certainly decisions made with Sansar to avoid messiness that happened in SL. (You might say the entire existence of Sansar....) Improbable supposedly offers large large multiserver regions but I don’t know if there is any user generated content platform built on top of it.