They are trying to dazzle, to mesmorise. To be all things to all men (especially men). Not so much a moving target, as a moving lack of principles. You won't be able to tell on any given day what they don't believe in.
It will work, or course. For some values of "work". If the can but Brexit, it'll buy any old shit.
It's odd they have chosen to burn all of their fuel at once. It's like someone has told them they can force a general election whenever they like. Let's hope they kept the receipts.