Do you really think the .. and ... notations semantic differences between git-log and git-diff are reasonable? I personally think if a..b in git log shows me a

Do you really think the .. and ... notations semantic differences between git-log and git-diff are reasonable? I personally think if a..b in git log shows me a set of commits then a..b in git diff should show me the code contained within those commits, the patch files that would generate from them. I guess this is a foolish expectation?