Yes 
Or, less obnoxiously, "all of the above"...
There's no reason why we can't cater to all. Lots of products and services get sold in different ways to different audiences, and, as you say, once a person or organization has started to use Plone for one of those reasons, they may very well find out that the other reasons also apply to them.
@mtrebron we miss you on the marketing team 
Come back 