We can clone smart campaigns, but what about the steps within them? When implementing lead scoring programs for example, the flow steps can become quite large due to the conditional logic required (see image below). If I wanted to duplicate this for Lead/Demographic scoring in the same flow, I'd need to create it again manually which is a tedious task (and this adds up when you do it several times over the course of one campaign!)
I propose adding a "+" button to the left of the minimize arrow "^" which would duplicate the Change Score step in entirety. If Marketo could implement this for every smart-list/flow element, it would introduce a good boost in usability in my opinion.