Nope. You're projecting how you feel about Northern battle conduct onto lyrics that have nothing to do with specific tactics.
What do you think trample out the vintage where the grapes of wrath are stored?
Read Lincoln's Second Inaugural and ask yourself that question again.
Not specific tactics, just a desire to punish Southern Americans.
“Read Lincoln’s Second Inaugural and ask yourself that question again.”
The Battle Hymn of the Republic was written by Julia Howe, not Lincoln.