With any new thing, there is usually a bathtub curve of corrective maintenenance. The initial design is also much the same way.
It happened with some frightening engine problems in the A380 Super Jumbo jet. Such discoveries are to be expected. If flying scares you, then adjust your expectations accordingly. Just remember that even a very well designed, time tested aircraft can still be destroyed by a brief moment of inattention by the pilot, as evidenced by the unfortunate 777 crash at San Francisco airport recently.
The transformative nature of designing and making things was the overarching, common theme at separate conferences held in Boston by two giants in the PLM space: Autodesk, with its Accelerate 2015, and Siemens’s Industry Analyst Conference 2015.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.