Plaintiff sues General Motors alleging a defect in one of its cars. Plaintiff wants to call an expert witness to the stand to testify as to a brake defect in the GM car. The expert's testimony would be based on the expert's experience in working on brakes for 50 years and not on scientific evidence. The attorney for GM objects to the expert testimony based on the factors set forth in the Daubert case. Does the Daubert case apply only when an expert "relies on the application of scientific principles," but not where an expert relies "on skill-or experience-based observation?" Explain your answer.