He means, if you upload my tiny theme modification (57kb) it removes the Flixster and Rotten Tomatoes “Pop’ups” and gives back the allocated space for the filenames.
http://community.wd.com/t5/WD-TV-Themes/Flixster-Free-Mod/td-p/790753
So, basically point 2) doesnt require a firmware rollback to resolve.
point 1) & 3) are a different matters … they are firmware controlled (and unfornately would require a rollback)