Prove me where we are wrong. Ninja need melee upgrade, not a "pulling" upgrade. Ninja need better Merits than useless one we have now (San spell is a joke, I would rather merit and improve enfeebling Ni than the silly San spell...) Sange is completly useless. The only merits that worth is: Subtle Blow and Ninja Tools Expertise. Do those Merits improve in anyway our melee skill: NO!

Even Shuriken thrower, you will be melee 90% of the time (don't tell me you will stay away and throwing, throwing and trowing, I don't believe you have enough gils to do that). So Improving our melee skill via merit IS the solution to NIN gimp DMG compare to MNK, THF, WAR and SAM one (I probably miss some other like BLU but let focus melee).