It makes it harder to tell how much SP the players have gained, especially in relation to the rest of the Team.
This in turn makes adding a Role or Skill more risky, and makes it harder to see who needs extra training.
I like assigning points to my players, there is more connection that way, it is part of the fun for me.
Auto assign was an OPTION before.
It is more attractive to buyers if a player is near their next star, and the only way they can wind up on the Negotiations list.