The claim is that it does change behavior, but only temporarily and it doesn't change the culture in a positive way / doesn't motivate people. It ends up feeling like a way of manipulating. That being said, according to this article, the entire incentive system would need to be dismantled. Simply adding more incentives wouldn't necessarily produce higher quality, at least not in the long run. So essentially the process of incentivizing new amazing research for funding is the primary issue and adding incentives for pointing out issues would just be a bandaid.