I made the assumption based on your avoidance to clarify your belief as a weakly structured foundation.
Now, let me think out loud. When you say "memory", I'm wondering if you mean solely memories on the past, or your ability to make future decisions based on the past ones. People who survive in the working class tend to think in a myopic sense, no real long term goals, just taking it day by day. People in other financial classes however, base many of their decisions on what would be most advantageous in the long run. Now, profit-driven entities, I will take in the sense of business and not human beings. 100% of businesses are profit driven, regardless of the scope of their business. The exception to this is "non-profit organizations", but I doubt I could classify this as a "business". Now, businesses rely on the low-incomers short term thinking patterns? Probably not. Certain businesses have target markets that are based in such a class, but others (let's say brokerage firms, financial managers and credit rating agencies) are not. If my thought process is correct, I am not understanding the basis of your statement.