I get that you don't pay attention, so I will remind you once again that things outside the category of why Northern armies invaded Southern states are irrelevant to the cause of the Civil War. This speech that you are obsessing on does not fit into the category of things which caused Northern Armies to march.
I have told people over and over and over again that I don't consider the Southern states reasons for leaving relevant. They simply do not matter regardless what they were. They had a right to independence, and they don't have to justify why they want independence.
The idea that the Colonies would have to find reasons acceptable to King George III and the British Public is ridiculous beyond belief, but this is the idiotic standard you keep trying to make me apply to the Southern state's right to independence.
Again, I don't care. If the Corner Stone speech said the South was leaving because they didn't like the Autumn leaves in Connecticut, it's all the same. They still have the right to leave, regardless of whatever reasons they see fit to do it.
Only to you. Life must be very simple for you when you simply exclude anything that doesn't fit your theories. Thousands of history books about the causes of the war? Irrelevant! Statements made by the southerners themselves about why they went to war? Don't care! A single editorial in a New York Democratic newspaper saying that they'll lose money? Wave it like a bloody shirt!