Maybe not, but BS LoZ and AST show what they intended for certain things. Just because the events that happened in it aren't 100% canon doesn't mean that they didn't intend for a lot of the things shown in thsoe games (such as LoZ Ganon with trident).
I don't have the exact quote, but there is...
The 14 main titles.
I wouldn't call AST and BS LoZ canon, as in actively use arguments from stuff in those games, but they show intent. Intent in 1998 was for LA to be after LttP. Intent for LoZ was for Ganon to have the Trident. Etc