1.Attributes are redundant, and perks are harder to choose than what attributes to increase.
2.You start as a nobody and make your own class now.
3.^
4.They are still in-game.
5.There is weapon deterioration, just can't go below 100% anymore.
6.Useless and underused weapons.
7.Spell making was boring and limited the magic system.
8.Why do you care to name a potion, you drink it and its gone.
9.Medium armor was redistributed.I don't know why you would want medium armor anyway.
10.Perks in the heavy armor tree.
11.Why would you want to wear no armor.
12.Acrobatics made people jump everywhere.
13.Athletics was a boring and useless skill.
14.Mysticism was cut so there were 6 skills in each archtype, the spells are in-game still.
15.No difference.
Seems to me your scared of change.