Community Sites are a new type of site introduced in SharePoint 2013, if you are unfamiliar the following article has some background information on their purpose and functionality - http://technet.microsoft.com/en-us/library/jj219805(v=office.15)
That's crazy. Thanks for the trick with the "Reporting" feature.
is there any chance to give access people to read these reports without granting them as site collection Administrators?