Quote Originally Posted by lesser_minion View Post
Not every spell slot is important. A system that lets casters turn their 1st- and 2nd- level spell slots into 8ths and 9ths is a significant buff that they don't need.
The whole point is simplification. Yes spellcasting is extremely powerful. Not everyone can bring out that full potential. Making it more simple mechanically could allow a player to play the character they want to play without playing at a level their character shouldn't be at.