Are organization charts still useful?

Has ‘agile’ killed the organization chart?

Despite being a part of management for over 100 years, this article suggests the traditional organization chart (OBS) is of very limited value in a modern organization, and of less value in a project or program. There are less restrictive ways to document seniority, responsibility, pay-grade, etc.  
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Or click through to see more on the origins of this type of management chart: https://mosaicprojects.com.au/PMKI-ZSY-020.php#WBS