This marker branch step feels like a workaround to a missing capability. It's something I can easily see one forgetting especially if they haven't been doing stacked diff workflows regularly.
I agree it seems error prone. I'm not sure if I'm misunderstanding something, but I use `git cherry-pick` when I know I need to move commits around that might have conflicts. The problem with rebase can be that the user doesn't fully understand all the options being applied and end up with a "bad" merge.
I don't usually want to rewrite history. I just want the target branch with all my commits on top (I usually squash the feature branch into one commit anyway). I have yet to run into a situation where this isn't good enough.
If the branch diverges so much and has so many commits that this simpler approach doesn't work, that might not be a git problem, but a project management one. It's still always nice to know git has tools to get me out of a jam.
