Don't listen to that bad advice. I can't draw a straight line with a ruler but I FMQ and it's pretty good. The secret is building muscle memory. When there's something you want to quilt, whether it's FMQ feathers or meandering or bitty circles, draw it with paper and pencil or on a white board, over and over and over. You'll get better and better. A friend could not do those tiny circle, bubble FMQ no matter what, so she just did tiny squares and they look good too.
Whatever you do, practice, practice, practice and don't give up.
Jenny