This is a tactical turn based games, Ragnarok. Trying to do the "best" moves depending the situation is the point of turn based /tactical / strategic combats.
Agreed ... this is a tactical turn based game with certain set of rules ... trying to do the "best" within those rules is the point of such game ... Having option to ignore those rules and completely break the game, isnt included in my deffiniton of "best move" tho ... thats simple cheating. :-/
So many basic actions like shove, stealth, throwing and many consummables are cheats, I guess.
Cheats are by definition "better" (/more powerfull/less ressource consuming/more optimal/...). You can ignore rules when you play Monopoly too if it pleases you. That said, the AI won't in a video game.