ff14's battle system may not be perfect but the changes you propose are not how ff14 has ever played or likely will.

those additions could make for a more engaging and entertaining system to a degree but it also rapidly makes apparent player skill level which isnt something the ff14 devs like to do. they want people to have fun playing the game they built in a way they think is fun.

if you want a more engaging battle try the pvp feast mode, cc is much more required there to play well and battle can play out quite differently than the pve counterparts.