Some numbers as promised:
Target -
Locus Ghost Crab Bibiki Bay. ML30-ish.
Bst/nin with Farsha R15, kclub offhand:
Bst/war with Farsha R15, diamond aspis:
Both using Calamity at >= 1750 tp exclusively.
Bst/nin: 2064dps
Bst/war: 2690dps
Bst/war had ~24% higher dps.
Total time was a bit over 5hrs for both. Accuracy was at 91.62% for /nin, >97 for /war.
Buffs: HM, VM, madrigal x2, chaos roll, crooked corsair roll, dnc main haste samba. Rolls +8, all over 6. Songs +9.
Debuffs: dia2, distract. Sometimes presto box step, sometimes light shot dia2 - when they're up.
No AM3. No pet. No /war JAs. No pet buffs/debuffs.
Sets:
/war TP:
Gleti body R12, malignance 4/5. Gere/Moonlight rings, sherida/nukumi+2 earrings. Shulmanu collar, sailfi belt, dex+DA ambu cape.
/nin TP:
Gleti body R12, malignance 4/5. chirich+1 x2 rings, telos/nukumi+2 earrings. Combatant's torque, engraved belt, dex+StoreTP ambu cape.
WS for both:
Nyame R25-B x5, Oshasha's treatise, regal/cornelia rings, moonshade/nukumi+2 earrings. Republic plat. medal, sailfi belt, str+wsd cape.
The simulator shows 2241 and 2491 for the same sets for Bst/war and Bst/nin(kclub), the difference being the /war one was 20% white damage while the /nin one was 10% white damage.
This on the bg-wiki targets, similar buffs.