I just realized, 7 months later: The reason that Chimata completely overlooked Suwako in the market is that, unlike all of the other "bombs", Suwako wasn't motivated by profit or connected to finance at all. So she wouldn't show up on the radar of a Market God.
There's one you overlooked.Chimata-donoYou were right about the "bombs" lurking in this marketAnd fortunately for us, they were duds......But.......