Why infinite Stamina? and why Playoffs system for Pro Clubs?

i think the game mechanics are, in other game modes you don't lose stamina if you are controlling a specific player. and so for clubs every player is being controlled all the time, and so no stamina can be lost.  and instead of just making that game mechanic for fut they just made it as the base mechanic and changed nothing for clubs.

would be nice if ea fixed clubs rather than allow it to get ruined because of changes they make to ut