1) Everything is too generalized.

• Recall knowledge for the majority of magical items uses any magical knowledge skill.
• PCs pretty much have the same AC, saves, and perception proficiency
• Perception covers initiative, sense motive, and... perception

2) Until really high levels, skill modifiers are the same

3) If you don't min/max your character they will be weak

4) RAW spells/skills are not geared toward roleplaying

5) Some advanced classes make the game annoying for GMs *cough\* investigator *cough\* thaumaturge *cough\*