I would assume that this tool will serve as a new source of sites for Google's manual review team to take a look at. It's odd they launched this though, as it'

I would assume that this tool will serve as a new source of sites for Google's manual review team to take a look at. It's odd they launched this though, as it's directly acknowledging 1) that "bad links" can hurt your rankings and 2) that the algorithm is not doing a good enough job/keeping up well enough.