There are many different ways to make a quilt. Most settle on what works for them. The best thing is to listen, try, question, and add what you learn to your handbook of ideas.
There are more than 12 ways to applique. Some methods are better for specific tasks than others. If you learn them all, you can more easily choose your own method for a new project.
If you take a class from an award winning quilter would you question her successful methods? And yet, there are many ways to make a quilt.