Re-posting a reminder that:

  1. Yes, interactive charts can be engaging.
  2. But many viewers will not see the data that is not shown by default.
  3. It can be rewarding to let users explore various aspects of the data, but the design costs may render the project less practical/worthwhile.

Closely related are the points/rules from Archie Tse:

The second point is key, I think: If content is important for readers to see, don't hide it.