Boeing is in close dialogue with its employees to identify where improvements can be made and is doing all it can to ensure issues such as this never arise again. Although this work will temporarily delay existing orders, Boeing is committed to carrying out this work to ensure the quality, safety, and stability of anything coming out of its factories.
It's completely unthinkable that these planes are still able to fly given that fresh issues are still being consistently reported. If you had a car that had a piece fly off while driving, prompting you to take it to a mechanic and the mechanic says, "Here you go. The car is fixed. We found other problems, but you can still take it out on the road," you would be scratching your head. This situation is no different.