people want the super cousins to be different, so they take all of their character traits, put ’em in a bowl. then they take all the flaws and give them to kara, and all the heroic traits and give them to clark.
but the difference between them isn’t about one having the flaws and the other having the virtues. it’s about where their motivations come from (and hint: it's how krypton's destruction affect them).
there’s a reason clark’s motto is “truth, justice and a better tomorrow”, while kara’s is “hope, help and compassion for all”.
clark strives for a better tomorrow. he sees how many people are struggling, and he wants to build a world where that struggle doesn’t have to exist. krypton, to him, is an idea. he never knew it, never lived there. it’s a tragedy he inherited rather than one he experienced. he channels his grief into an ideal — the hope that by building something better, he can prevent another loss like that from ever happening.
kara’s focus is different. she wants people to know that even if tomorrow will be better, they don’t have to face today alone. she’s there with them. it’s more personal for her, because she remembers krypton. she remembers the people. the fear. the pain. what it felt like to be helpless while everything was lost. so she makes sure no one else ever has to go through something like that without someone standing beside them.
both of their motivations still come from krypton — and its death — just in different ways. to clark, krypton’s fall was a tragedy caused by the failure of its leaders, and that loss drives him to build a better world for others. to kara, krypton is the place where people she loved lived and died. for her, it will always be deeply personal, and she prioritises helping people know they’re not alone.
to his core, clark is deeply afraid that what happened to his first home could happen to his adoptive one. just as kara is deeply afraid that someone else out there in the universe might have to feel the same loss she did.
that’s why they help people in slightly different ways. they both protect others, and they both want a better tomorrow. one just prioritises the tomorrow, and the other prioritises the people living through today.
clark fights for the oppressed so tomorrow can be better.
kara protects them so they can survive today with hope.