I started trading in the mid-90's, then a long hiatus, now in futures 14 years. While there might be some percentage of certain personality types who are strongly attracted to trading, and who are obsessed with money and competition in general, there are plenty of exceptions.
IF you allow it to happen, the financial markets can actually be a powerful Evolutionary, Primal Force for Self Improvement and transcending one's present limits. An anvil upon which your character is further forged, character you can utilize in other realms of life, and ultimately carry on with you past this present life. Competing against your own present limits and weaknesses. Arrogance and ignoring those weaker aspects of your self ultimately will destroy your trading account! Most traders do not last long in this challenging realm.
To me trading also means Freedom in many different ways. To succeed over the long term in trading, from my perspective it demands at times brutal self-honesty, self-examination, course corrections, enormous self-discipline. Ultimately, the markets can also teach just how little any of us Know about much of anything, and just how uncertain Life can be. Just when you think you have the markets figured out, they have a habit of kicking you in groin. Like finding the Truth about a wide variety of things, we are dealing with probabilities.