1)
Why does it say "Al ha'Davar ha'Zeh"?
1.
Malbim: If one heard a command directly from Hashem, and transgressed it, there is no remedy, like Chachamim explain the Navi who came from Beis Kel (Hashem commanded him not to eat that day; he heeded a false Navi, and ate); a lion ate him (13:17-24).
