Money isn't an end goal, it's a means to something else. Who said the goal would be buying crap? A better use of money is financial security for raising a family, having free time, buying things you really value, retiring early and enjoying life. Money is an excellent motivator, but it's indirect, the real motivator is your values and your life.

Then that's like saying you're motivated by food, water, shelter. I see money as just one resource that I need in my life to maintain my lifestyle, like I need food/water/shelter. It would be nice to solve the money problem once and for all by doing something to accumulate a large pile of it, but only so that I can stop expending my energy on generating money and move on to the things I really care about.