Dot plots are under-valued, that's all
Bar charts are over-used and over-rated. Just casually, I found this example
Small multiples
Where a scatter plot fails
Found this chart in the magazine that Charles Schwab sends to customers:
How effective visualization brings data alive
Bringing data alive
An overused chart, why it fails, and how to fix it
A chart with conceptual appeal but fails the data
Small multiples with simple axes
All the things they did well
Remaking a great chart
One of the best charts depicting our jobs crisis is the one