Bobby

it could also be considered heresy because it implies Taln failed.

I don't know why or how but according to Pattern stormfather is one of the few spren that was bonded at the time of the recreance that survived in tact "Not just one people," Pattern said, solemn "Many. Spren with minds were less plentiful then, and the majorities of several spren peoples were all bonded. There were very few survivors. The one you call Stormfather lived. Some others. The rest, thousands of us, were killed when the event happened. you call it the Recreance." now you could say that the "very few survivors" refers to the unbonded spren of the mostly bonded populations, but pattern said the majority not nearly all, so i think Stormfather and "some" others is more likely to be the bonded spren who were somehow strong enough to survive or perhaps lucky enough to survive and in surviving gained the strength to become the pseudo gods they are now

Except we know from Dalinar's vision of Feverstone Keep that Stonewards (and Windrunners) most definitely were among the orders that broke/renounced their oaths. furthermore we know that there is a grouping calling themselves the Skybreakers still around and that at least one of them has that mystical ability to "divide the guilty from the innocent" the same that skybreakers of old had Edit: i do believe that the Shin and their stone shamanism has something to do with Taln though. possibly their ancestors figured out that all the other heralds abandoned the oathpact, gathered up most of the remaining honourblades and started worshipping Stonesinew which eventually evolved into a complex religion in which all stone is hollow because it keeps away the desolations or some such