The spell options and classes in Palladium, Rolemaster and Swords and Sorcery had a lot more flexibility. For the most part any class can learn some magic. For fighters it’s more observation or stealth type stuff unless it’s barbarian type classes that may get more bard type skills and there are like 5 different types of thieves/rogues/burglars, etc. like most other classes. When I ran a group we used a lot of different rule books. Some offered better detail for hit location and armor by location, some had better control of weapon type and how it’s used like bash, pierce, slash, and as noted above, the magic in other rules had so much flexibility. I gave my players a lot of options as to how they built their character and having 4 or 5 rules books of different skills, classes, races, etc really opened up variety. An accountant may be a really good burglar with attention to detail and noticing patterns