It is hard to say. Lincoln definitely seemed inclined to keep the radical reconstructionists (future progressives) in check and by his statements and writing certainly wanted to bring the south back into the fold quickly. Despite this he was singularly reviled personality in the South (for obvious reasons) which may have hampered his efforts no matter how reasonable.
“Lincoln definitely seemed inclined to keep the radical reconstructionists (future progressives) in check “
Giving them a motive to want Lincoln out of the way... which spawned several conspiracy theories implicating Sec War Stanton and some other Radical Republicans.