I've rolled back once but the OP seems to want the question body to be removed.
Should I just ignore it and move on?
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Given that they've now deleted it and there were no answers I'm happy to let this slide. (Although I did take a look at other activity from the user to double check)
Where self-deletion is an option and sensible it can be worth pointing it out as an option in a comment, if the OP seems to have failed to spot that option as appears to be the case here.
In general terms flagging for moderator attention is the way to go - we can warn and lock if needed, rollback wars don't often to lead to resolutions naturally. There is also a flag that gets raised automatically when rollback wars are detected, but a human comment adding some context to the automatic flag can save quite a bit of time hunting around.