I understood what you said and i agree with your point on AO.
What i am trying to say is this, I played D&D, AD&D , 3.5 , 4E and PF1 and 5E since 1989 (i have 39 year old).
All of thoose systens had major problems , like been to simplistic , extremely unbalanced , to rigid , to strange (4E)...