Sure I get the thing about no Cyborg enhancements but... really?
His moveset is soooo limited.
-He doesn't even have a slip or aerial kick to easy delimb enemies to Zandatsu.
-He doesn't have nice round attacks either, most are straight, slow and pitifully weak. Imagine how weak he is... you have to Quick Draw full charge a Mastiff 4 times before he can have atleast 1 blue Blade Mode cuttable part.
-His parry counter is almost always dodged by enemies other than normal soldiers and blocked by Mastiffs.
And he can't level up his sword... which basically means you're level 1 sword throughout the game. its pitiful.
-Ended Sam's Story mode. He can't parry the Senator well either on last fight when he rushes.
-Hard mode when I started it got boring. Went up till Bladewolf who was taking significantly reduced damage due to difficulty and me still with Lvl 1 sword and he kept dodging all my parry counters. After finishing him in a long battle of single slashes here and there I got too bored and quit for now.
To me the DLC is pretty disappointing unless I'm missing something. His moveset is bad. He should have had the jump slash he does in boss battles as his aerial dive kick.
Sam is a different character and needs to be played differently. Perfect Parry is no longer the go-to answer. Taunt and Charged Slashes are. Especially a combination of both deals insane amounts of damage. Hell on REV a taunt+charge does ~20% damage to Armstrong.
Also his moveset is pretty good. SSST JumpS JumpST is a pretty solid combo that works on a lot of enemies and his >>T is insanely good. Probably the best move in the game even.