Why, oh, why does Microsoft Excel not offer simple one button click y-axis breaks?

For the last twenty years its always got my goat to see truncated bar or line graphs that misrepresent the underlying scale of the data series.

If you want to know how to do scale breaking in Excel then check this out: 

http://www.extendoffice.com/documents/excel/2716-excel-chart-break-axis.html

If you want an alternative using panel charts then have a look at this:

http://peltiertech.com/broken-y-axis-in-excel-chart/