As there only five women left vying for two places, I would think you could make a very good argument for each of the women making the final two, source or no source.

If you back up your claim by saying,
I was even wondering last night if my friend was set up to spread some rumors to keep Joe Millionaire ratings high and selling advertisements?
then you pretty much have your backside covered whether the rumour proves to be true or not.
I can't really see how spreading rumours like this would have any major impact on either ratings or advertising revenue.