Ever wonder why being a good person in this life matters so much to Allah?

Assalamu alaikum, everyone! I hope this Ramadan is truly rewarding for you, filled with abundant blessings and good deeds. Here's something I was thinking about: if this world is really just a test, and any hardship we face gets repaid way better in the Hereafter, and if getting too attached to it is a mistake-then why does Allah command us to bring so much value to it? Like, why should we care for our elderly parents, stand up for justice, or help those in need? If everything here is temporary, what's the point of all these excellent commands? Honestly, wouldn't it even help people in the next life if they faced more injustice here? Just to be clear, Alhamdulillah, my faith is solid-this is just one of those random thoughts that pop up. Jazakallahu khairan for listening, and please keep me in your duas.