User blog comment:IchiNii89/Luffy's Heritage/@comment-92.220.212.107-20190930115146

I think sending Luffy there was also due to Ace, becuse Kuma did know of what was going to happen to Ace all the way back when they first meet on Thriller Bark. Not sure how he would have known about their relationship but he did hva intel from both marine and revoultionary.