In that case, however, you also see the drawbacks. The Witnesses discourage socialization outside of the church and also use shunning as a method of social control: if you disagree with the church on anything, your options are to acquiesce or lose your entire social network, even family members.
I share the desire for more social lifestyles - I think suburbanization is a huge driver of this - but want a secular form which doesn’t have the drawbacks many religions offer.