A Rabbinic “take” on the reaction of many Jews to the miracle of the splitting of the sea.
In Sivan Rahav-Meir’s third essay for Parashat BeShalach, “Complaining During the Miracle” (#Parasha: Weekly Insights for a Leading Israeli Journalist, trans. Chava Wilschanski, Menorah Books, Jerusalem, 2017, pp. 95-6), she cites a Midrash associated with a verse in the Parashat HaShavua:
Shemot 14:22
And the children of Israel went into the midst of the sea upon the dry ground; and the waters were a wall unto them on their right hand, and on their left.
Shemot Rabba 24:1
…And so it says: (Tehillim 106:7) “…but were rebellious at the sea, even at the Red Sea.” … How do we know (that they rebelled) in the midst of the sea? When they descended into (the place where) the sea had been, it was full of mud, since until this point, it had been covered with water, and therefore there was there mud, as it is said: (Chabakuk 3:15) “Thou hast Trodden the sea with Thy Horses, the foaming of rmighty waters.” Reuven would say to Shimon: In Egypt there was mud, and at the sea there is mud. In Egypt there was mortar and bricks, and at the sea mortar as a result of the great waters. Therefore, this can be described as “…but were rebellious at the sea, even at the Red Sea.” Even after all these miracles, you attribute to Me evil…