t-strings allow building APIs which don't accept strings at all (or require some sort of opt-in), and will always error on such. That's the boon. Having to wri

t-strings allow building APIs which don't accept strings at all (or require some sort of opt-in), and will always error on such. That's the boon. Having to write cr.execute(t"...") even when there's nothing to format in is not a big imposition.