Mostly agreed.
Papers in the north called for his hanging and he rode into Appomattox expecting his fate.
Four years later Lee accepted an invitation to the White House from President Grant.
Gen Lee was a complex man of great honor, that cannot be changed.
As Lincoln said:
“The brave men, living and dead, who struggled here, have consecrated it far above our poor power to add or detract.”
Certainly not all Southerners were slave owners. Most no doubt believed they were fighting for a way of life, as they perceived it, but their leaders were fighting for an entirely different purpose.