I can see that being good and bad.
On one hand, if it takes non-conventional situations that lead to justice...that's a good thing.
If it's a case where it's "well, it really didn't bother me all that much at the time, and I never saw it as a big deal...but this reporter/media outlet is offering me money for my harrowing account 10 years later", I don't think that's a particularly beneficial incentive structure.
While my anecdote certainly isn't a perfect comparison (there's other dynamics at play like the male/female dynamic)...without getting too edgy on the forums, let's just say one of the "encounters of my youth" involved a situation where I was 16, and the girl/woman involved was 24. I acknowledged the male/female dynamic because I was bigger and stronger than her and could've removed myself of the situation anytime I wanted, and I recognized that if the gender roles were reversed, a 16 year old girl wouldn't have that luxury in dealing with a 24 year old man)
At the time I really enjoyed myself...spent the next 6 months bragging about to anyone who would listen, and never thought of it as anything "earth shattering". If she ended up being a famous person (she's not, I still actually bump into her on occasion lol) and all of the sudden I pretended that I was violated/traumatized (when that clearly wasn't the case) because there was something to be "gained", that would be a pretty crummy move on my part.
In summary, I don't think it's a good thing if there's an incentive (monetary, notoriety, or otherwise) for people to retroactively "revoke consent".