User blog comment:Zilverdael/Seperate itemsets and why they are good/@comment-5168889-20140621222406/@comment-4604508-20140627152740

"And nope, I would always start classifying champions into roles. In basis all RPG & strategy games have at the following roles:"

This doesn't necesarily mean that it's the option there is. Games like Path of Exile for instance have excellent systems which don't hinder you in any way (A barbarian class can use wands/bows/etc.). Sure you can change LoL into having the system you proposed, but why not just make another game which starts out with this system, it'd be way less work.