You realize it's only your opinion that the new main menu is terrible, right? Others like myself like it as it's cleaner.[...] in the brand new release. It's the main menu that's terrible.
I'm sure the thinking was to only display the items chosen 98% of the time by users. Everything else goes in Menu (MANAGE, SETTINGS, HELP, STANDBY). This prevents people who just want to watch TV from wading through menus items dealing with recording shows, system settings and TiVO system info.
Most non-TCF users use TiVO for viewing TV shows/movies not menu surfing.