So if anything, my behavior is in-line with my contract. They are continuing to employ me at-will and are not exercising their right (per the contract) to terminate the relationship at any time.
I can’t see a problem with how you’re working at an individual level, and as you say, you are productive and working in-line with your contract. However, the original poster was talking about young people not feeling motivated due to inequality.
The fact that you’ve managed to find a job that works well for you as an experienced professional does not change the fact that a young person should be working hard (and potentially long). Would you have gotten to where you are if you’d done the minimum your entire career?
I think so? Or at least somewhere like it. Because I've always been optimizing for working less. I got plenty of D's on final exams because a B or A was assured, for instance. It just so happens a software job in the 2010s was a juicy path of least resistance. I'm glad to have found it (part of that was luck and meeting some people who suggested I do it).
It’s not black and white, I get it, but the proper thing to do would be to negotiate a new contract that actually reflects your working relationship to your employer.