I have rented points in the past as a non-DVC member, but now that I have purchased at SSR, I don't see us ever renting out our points to another individual.
From my perspective, I think that the complexities of the DVC system contribute to keeping the rental market where it is. With all of the different point values at different resorts, different costs for weekday vs. weekend and the different booking seasons, there are times of the year where renting DVC at $10 pp doesn't stack up well against a cash reservation.
For example, a week in a 1B at BCV during Premier season is 350 points. The rack rate for a cash ressie, before taxes, with no discounting is $3990. A Disney Club or
AAA discount alone would completely eliminate any point rental "savings".
Now, if you're willing to stay during Adventure or Choice season, Sunday to Thursday night, you can easily save 50-60% off of the Rack Rates by renting at $10 per point.
I think some renters are getting "smarter" by listing on eBay with a fixed dollar figure that equates to higher than $10 per point. I have no way of knowing how successful these individuals are in renting their points, but eBay is unquestionably a forum where you can link-up with people who have no knowledge of the $10 price point that is common here.
Honestly I can't conceive of a scenario under which the common price point will universally rise above $10 in the immediate future. People have tried (unsuccessfully) to rally the renters and convince them that $10 is not sufficient. The arguments are always good, but without overwhelming support, it will be difficult to hold the line on $11 or 12 per point.
Certainly the natural growth of annual dues will inevitably push the rental fee upward, but whether that will happen universally in one year or five years is anyone's guess.