not installing correctly? (ps3)

ok when you fist put the disc in it asks you to accept agreements, then asks if you have an SE account or if you wanna create one... after you do all that the game installs a quick launcher updated and installs the launcher (this is the fast install/update prior to the point where you put in your username and password and one time password (if you have one) then click login and it installs a massive 5+ gb update)... now BEFORE you get to that point (when the game does the quick install and update of the launcher) isnt it installing the launcher to the hard drive of the ps3? meaning once that happens you can exit and take out the disc then access the launcher from where youd access your downloaded ps3 games?


so why is it that after the launcher install/update I cant find the game on my ps3 and the only way to access the game (and get t the huge 4+ gb download part) is by using the disc and starting it that way?