Is Mexico a shining example of what happens when the Conservative Party stays in power for generations?

Tiny upper class - 0 middle class - huge lower class.

The rich is this country are rich because they produce goods and provide services for a profit. They need a healthy middle class, so they have a market and an employee base. Rich people like to make more money, and they usually do it by conducting business.
Making a profit encourages people to take risk and create new or more business. Profit drives technology and innovation. If there were no profit motive, you would be living on a farm somewhere, with no electricity, lights, phones, computers, cars or McDonald's.