Match fixing: Arranging or attempting to influence match outcomes — permanent ban; Cheating: Using unauthorized software, exploits, or information — suspension to permanent ban; Account sharing: Playing on another player's account — suspension
Why people argue about this
People often think that a permanent ban means you can never play again in any game ever, which they mistakenly believe includes all esports competitions worldwide. In reality, it specifically refers to League of Legends matches and doesn't extend to other games or sports leagues.