That factional territorialism can function if the features being selected on can be self-propogating within a community across generations (e.g. language, relig

That factional territorialism can function if the features being selected on can be self-propogating within a community across generations (e.g. language, religion, culture and political philosophies) and concentrated into a specific area. For all of the upsides of the LGBT community, their defining features appear to limit fecundity, are not reliably propagated across generations, and tend to continue to crop up in society at large regardless of their concentration in a community.