Sword Oath is no where near weaker in getting threat as compared to Shield Oath, in fact it is better at getting threat than Shield Oath. Proven and tested.
If you are OT you can stay on Titan/hit something all day long really, if you memorize his rotation my uptime on on Titan is almost 95% of the time only 5 % is due to Bomb Boulders. Ifrit I'd rather stay on him to interrupt that 1 eruption that happens during Nail Phase, sides Warrior burst is negated when you have a BLM/SMN to Meteor down the Nails all you asking for is just betting pacified laters. On Garuda, SoC plumes spawn already beats Steel Cyclone by a wide margin, what you wanna Overpower more than 2 times here and TP starve yourself even more? Seriously...get a clue.
Turn 1 fact... I took new split Caduceus with Sword Oath moved him and tanked him till 2nd stack came, Shield Oath just before the transition Hood Swing to 3 stacks.
Turn 2 fact... I tanked all mini ADS in Sword Oath poping Rampart at 3 debuffs. No threat issues.
Turn 3 fact...
Wave 1 by the end of the wave I took at least 3 of the Bugs my rotating single target Halone combo on them in Sword Oath stance.
Wave 2 Though establishing threat would be good on Sword Oath it isn't used cause I need the 20% mitigation. After one soldier is incapacitated, Sword Oath it is and down the knight goes.
Wave 3 Why don't you Sword Oath really? Only swap to Shield Oath if on Wave 4 you are taking all the bugs + 1 Rook. Precombo so that you have Halone when the Rook lands.
Wave 4 Rook does piss poor damage unless you are silly enough to let them cast that gay Pox skill on you.
Wave 5 and 6 same as Wave 2 reasoning.
300 Potency skill is almost always 300 potency if you know how to time it well it is no on a GCD... 250 potency is forever 250 potency skill aka Circle of Scorn. Yet if you are OTing in Defiance you are reducing your damage more than the Paladin in no stance already. Even more so if he is in Sword Oath. You have to be in Defiance cause you lose 25% MaxHP and 15% healing received. Storm Eye debuff only benefits Warriors and Paladin.
Do you really want to go to Turn 5 against someone who has cleared it? Tried it as Warrior for shit and giggles and still went back to Paladin?
Fact you don't use Defiance while OTing unless you plan to Unchained combo or just Infuriate Inner Beast for minimal damage increase and possible gimp your damage if you do it wrong. When Big Snake is left there is no reason for you to stay in Defiance. You don't want to use Defiance when a Dreadknight comes, best case scenario get 5 wrath stack and wait for the Dreadknight to come but that itself you gimped your DPS on Twintania. Paladin can sit in Neurolink for Eggbombs in Sword Oath whereas Warriors it is not advisable.
Just no where. That a maximum potential played Warrior vs a maxumum potential played Paladin that the warrior can beat Paladin in the DPS department while OT'ing.
And just in case you are wondering...
Current gear on Paladin...
Heroes Belt
AF2 Head
Darksteel penta-melded Gauntlets
Allagan Chest and Pants
Hoplite boots
Gryphonskin full Accessories (1 Penta melded others only +10 Vit)
+1 Holy Shield
+0 Curtana
Same gear on Warrior too...
AF2 Head > AF2 Head
Bravura +0