I don't know what this is about at all but let me see if I can cobble together a response.
I love how Final Fantasy is an anthology but I also love how Legend of Zelda is essentially an exploration on the creation myth of Hyrule and how it's evolved over the ages to suit the different heroes (be they of time or otherwise). I'm going to have to chose Zelda though because even though there aren't nearly as many spin-offs, there are far more hits than misses when it comes to Zelda compared to Final Fantasy. Out of the main games, the only Zelda title the masses don't seem to like is the second one (it's my personal favorite). As for Final Fantasy, there is a huge split on each one. The 7th and 6th being the most popular and the 13th being the most hated. Hell, I believe there's a stronger fanbase for Zelda 2 then there is for Final Fantasy 12 and 13 combined (ok, maybe not but it seems like it to me). In Final Fantasy's favor though, even the worst spin offs kick the ass of Tingle's game. Finally...is Link's Archery Training a full on game?