The RPM really just delivers some (ready-to-use) XCCDF and OVAL and some guidance/tables (in HTML), and so I assumed that it should be good to go if it's got oscap (to process it). And technically, somebody could use some other tool to run an evaluation of the system (if they really wanted to).
Forgive me, I did not see the output directory files rolled into the RPM and panicked. I was expecting the xccdf/oval to be generated in output/, I now realize it is in content/.
--Mike