[quote=@Gareth]
Getting a good reputation on Guild for staying with a story does take time.  Without that reputation any GM is taking you on, on blind trust.  The ghosting thing is a major cause of many GMs creating smaller roleplays in the first place with less risk of players flaking and only inviting people they know and are reliable.  
[/quote]

I think writing quality/consistency is a good way to fairly quickly bypass that as a road block.

If someone is brand new but I read like three things of theirs I really liked I'd be inclined to either accept or invite them to an RP I'm hosting.  You are right though.  It definitely becomes easier to consistently have threads that go for a distance when you have a reliable roster of folks to RP with.  It's fun getting new blood though.