Entity Reference with Layout may be the Zen of editorial layout control!

Attendees will learn how to use Paragraphs and Entity Reference with Layout to control content layout on a per node / entity basis, but in a much cleaner way.  No more creating dozens of container Paragraphs for every conceivable layout.

Entity Reference with Layout https://www.drupal.org/project/entity_reference_layout is a module that implements layouts as a container Paragraph.  It offers editors a clean, intuitive modal interface for layout selection and content creation.