Reasoning is a tool that can be both used and misused. The outcome of reasoning is dependent on the goal and motive. A person may reason that doing the wrong thing is in his best interests so reasoning alone won’t fix the world.1. I didn’t comment on feeling emotions, but acting emotionally.
2. You keep focusing on leaders and ignore the public who allows them to take power.
3. You lack any sort of understanding about human psychology and how humans are not machines that behave in ideal ways.
4. Of course wars should stop. You’ve never shown any interest in understanding shy war happens.
So your idealistic beliefs may be what most agree with you don’t have the knowledge to understand why conflict still happens. It’s not just leaders, it’s people who behave like animals because they lack reasoning skills.
If people behave like animals it’s because they choose to. What guides reasoning? So a Muslim reasons Holy War is good for Islam then what reasoning do you replace it with?
There is both good reasoning and bad reasoning. Which moral standard or goal governs your reasoning? Everyone has a different view on what’s good and bad, right and wrong and moral and immoral and reasons along those understandings. So a religionist, an atheist , a critical thinker will use different baselines for their reasoning. Which reasoning is the right one? Some reason rape, oppression and killing is perfectly ok. So reasoning depends largely on the goal and motive and which goal and motive is the one we should be using?