Codetapper doesn't edit shit!
If you look at the top of the startup-sequences:
; © 1991 U.S. Gold
; Written for Creative Materials by Richard Aplin
; (Started 10th January 1991)
;Ok. Remember Line Of Fire? Here we go again, crackers! Fill in the blanks:
The game first runs the file "Final" which takes over the operating system and loads the game. Hence AmigaDos is dead, "Final" isn't run as a background process so none of the other text appears. Echo and Type are also not on the disk so it would just say "not found" for OS1.3 etc even if it did get past it (which it can't)