I disagree. I find it quite easy to place them. TMC has references to it. You can discount them. But they are references. FSA possibly has references to it. TRR definitely has references to it. And all of those references point towards an AT placement.
FSA manual That says Link saved them...
The manual of FSA confirms that it MUST go FS-FSA with them being the same Link.
Explain the triforce from OoX-LoZ. At the end of OoX we see the triforce flying away. In LoZ the triforce is together and in the same place.