So Jaime killed The Mad King to prevent the slaughter of Kings Landing and saved lives.
>> He had lived for years.
Jon killed The Mad Queen AFTER she slaughtered almost every life in Kings Landing as well as is a true heir to the melting iron throne.
>> He was exiled ?!? 🤔
If it was because of the Unsullied, they left to Naath 10 seconds after that meeting.