[borplk]

This is so frequently true that people are tempted to make it a strong NEVER. But that is also a mistake.

There are some legitimate cases where you really should be rebuilding.

You may not have seen such a case since they are rare, but they do exist.

A good rule of thumb is to try your absolute best to avoid a rebuild. If at the end of your hard work you still feel defeated and forced to go with the rebuild option, you probably should rebuild.