The US is safer if you don't bring home classified information. You don't have control over what the president does. It's in your rational self-interest to not bring home classified information. Your perception of fairness has nothing to do with it, and if you can't get over that, you shouldn't be handling classified information.
Also, guarding the houses of a few high officials is much easier than guarding the houses of everyone with a security clearance.
Don't let perfect be the enemy of good.
There are lots of dumb rules, but keeping classified documents inside secure areas is not one of them. Once, I was working as a contractor, and there was a NATO classified document I needed for my work. I just needed to be a citizen of a NATO country and have a clearance from that country (check and check). The hitch was that I needed someone in my company to read me the paperwork/walk me through the PowerPoint presentation that I'd go to prison if I shared the info, etc., etc. and watch me sign on the dotted line. There was nobody at my employer who was certified to give me that presentation. (There was someone who was signed up to get the training to walk people through the NATO paperwork, but that was going to be 3 months later.) Someone at my client was certified to give that presentation, but (for accountability reasons) it needed to be someone at my employer who gave me the "you will go to prison if you share this NATO information" presentation. So, what we did is have my friend sit down across from me with the document. I'd ask her questions, she'd read the documents, and mentally redact the information by giving me wide ranges of frequencies, bitrates, etc. I then wrote my computer models, and if they needed higher fidelity, someone at the client later came back and patched the estimated values I used. It was a bit of a pain and a bit silly, but you follow the procedures. If you can't do your job while following the procedures, then you escalate and escalate until you can do your job while still following the procedures.
It takes a certain level of tolerance for BS to work with classified information and stay within the rules, but that's a valuable skill that carries a good amount of financial reward.