Everyone has dreams. What you may not realize is how your dreams may be hinged to the dreams of others.
The cessation of desire leads to the cessation of suffering. —Gautama Buddha (paraphrased).
The implication of this, the second of the Four Noble Truths, is that the enlightened are generally not good marketing targets. Fortunately for most marketers this is a very small group.
Marketing strategy allows you to use pathways and footholds that apply your limited marketing budget more effectively (everyone's marketing budget is limited). Marketing strategy facilitates your ability to apply marketing money to the correct half of the Wanamaker equation—the half you are not wasting on audiences who do not value your message.
Focus group testing is appealing. I really do get it. In theory, it's a quick and efficient way to find out what you need to know about what people think or how they use your product or service, but in fact it isn't quick or efficient, and it has a dangerous inclination to lead you down false pathways.