As I see it, listing with an external site is a give and take relationship. They get more diverse stock, brainstorming and choices to show their visitors (without the renewals), and earn commission on it, in return we get screening and selection (an education?), extra exposure of our names to targeted visitors that are looking for that type of name for their business, and better odds of a sale, or maybe decreased wait time for a sale.
I can't complain about the time they take or their process, they have made a time sacrifice by taking in external vendors and domains (I'm not sure I would). People emailing them with questions, checking submissions for copyright/ownership/TMs, editing descriptions, and arranging for logos to be done for us. I am grateful for the opportunity. Apart from BB, names are not exclusive, so there is no rush. Just find a few more names to submit and you will be hearing back at the other end of the month before you know it.
If someone doesn't like the service they are getting somewhere or it is too slow, they will have less stress in their lives if they go elsewhere, or relax and distract themselves with something productive. Online, things change quickly, and even in the few months I've been doing this, the wait time has increased steeply on Namerific as articles and promotion about the site brings an influx of submissions. They used to give personal feedback and that is gone by the wayside, never mind, it can't be changed.
If you want to make money on line, especially on someone else's website, you need to remember how it was, accept how it is now, and expect it to change again before long.
I like Raders plan of limiting submissions from poor quality submitters, and offering preferential submission treatment to those who always offer quality names. Anyone setting up a boutique brandables site now has the luxury of seeing a few sites and models in action to asses and improve on.