Admittedly this isn't a concern for all repo setups, but what about the odd time you don't actually want to autocreate a branch?
Saying/typing fuck won't help you now! Basically, thefuck does give some friction and force you to think about things - not much, but maybe just enough.
From the examples, it looks like you’re given an interactive list of ‘corrected’ commands to cycle through, and it won’t proceed until you hit <enter>.
So if you don’t want to do what it suggests, just bail out.
Saying/typing fuck won't help you now! Basically, thefuck does give some friction and force you to think about things - not much, but maybe just enough.