I would totaly do a 1 > Fight or Flight > 2 > Sword Oath > 3 > Circle of Scorn > 1 > Spirit Within > 2 > Shield Oath > 3 rotation, if switching stances was not on GCD and did not break our combo.
But as it is, I just don't bother with stance dancing at all outside a swap tank fight.

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However, regarding PLD "boring gameplay" I find that, thanks to this aspect of the job, I'm clearly not paying as much attention to my skillbars and combos as I do with any other job in the game.
I absolutly do have the "brain time and attention" to look at the overall encounter, party list, positionning of everyone and enmity list... while keeping a near-perfect rotation and CD usage. Something I find more difficult to do while playing any other class.

Long story short, I think that PLD have a better time being raid leader and/or overall leading their party because their gameplay allow them to have a global sight of the encounter without focusing on their own actions completly.

So, while I agree that the PLD gameplay is boring in itself, I very much appreciate the overall awareness (deal with that pun, I'm not taking it back (⌐■_■) ) it grants me.
It's close to a healer point of view, but without the healing side of things.