You know people naturally do not like being where they aren't valued or not given the opportunity to be themselves. So I believe that valuing the members and appreciating their engagement once in a while will greatly help.
This exactly what the inleo team is doing.
People love to show what they got. Just like you said: people naturally do not like being where they are not value. Many admins today are making the mistake of over looking many subscribers, and trust me this has over time cause issues.
Exactly