Yup let's say the top influencers want to obtain useful solutions / opinions / feedback from the crowd, they could sponsor (or differently, upvote) a post that will handle the purpose for that post well. Or let's say my music company needs a new profile re-writing, others may sponsor my post (or I could sponsor an amount into that post myself) to bloat up the payout amount requesting for the crowd for contribution.
An SP distribution mechanism will amplify my votes for comments according to the sponsored amount (which is essentially part of the payout). I think i'll get a pretty decent profile writeup at the end of it..
Just an example..