A familiar midrash explains that on the 7th day of Pesach, we don't say Hallel because God's creations were drowning. But a less - widespread midrash has a different reason for not saying Hallel: that Bnei Yisrael were still in peril. We examine the different viewpoints of these midrashim, suggesting that the destruction of evil is good, and that it may be acceptable to rejoice at the destruction of evil.