Granted, it's higher level than I could have comprehended or desired, but it's lower level than some overviews I can picture. I think there could be more refin

Granted, it's higher level than I could have comprehended or desired, but it's lower level than some overviews I can picture. I think there could be more refinement to the article. The GC does not get rid of "dead or old" objects. It gets rid of dead (unused) objects, regardless of age. The part on inline caching doesn't really explain what happens when the cached method is not the right one. These things could be edited without changing the level of detail very much.