There is one way submitters can possibly (though no guarantees) expedite the listing of their site that is completely legitimate and above board. Follow the guidelines to the letter. I mean:
a) select the right category, the one the site belongs in not the one that would be best for marketing purposes. For real estate that is the locality where the base office is situated.
b) Write a title exactly according to the guidelines - there are specific real estate guidelines that explain precisely the format.
c) Write a description that is exactly compliant with the guidelines - no hype, no keyword stuffing, no unnecessary repetition, no advertising copy.
d) Submit one site only, no mirrors, no fraternal mirrors, no doorways, no nothing but the original principal site.
e) If you restrict areas of the site to registered users provide a guest login and password for the editor within the description in [square brackets]
f) Do not resubmit the site unless an editor says it is OK to do so.
When editors go to review a list of possible suggestions, those that are easy to list because they require minimal work and it is clear the submitter has taken great care to read, understand, and obey the guidelines, might, just might, gain the attention of the editor. If they find it a pleasure to add your site, if they enjoy the experience of editing in that category, who knows what productivity increases that might prompt.
Spread the word, tell the NAR to tell their members, experiment, try following the guidelines, see if it works, there is nothing to lose. Frankly I don't care why anyone wants a listing, it isn't my role to make judgements on the motivations of the submitter if they provide a good addition to our project, help us with our objectives at the same time as helping themselves with their objectives. Matching people with new homes and enabling people to move by selling their homes is not an evil profession though the activities of some are bent on proving otherwise. Play fair with us and we'll play fair with you, simple.