I mean that’s one way to look at it I suppose. However I don’t think the story being secondary to gameplay means we have to discount what is there available to us. Like if you want to ignore it that’s fine but I don’t think you can say it’s wholesale not canon.

https://www.zeldadungeon.net/dont_misinterpret_aonumas_words_hyrule_historias_timeline_is_fully_canon/