I learned that tefilla was established in place of the korbanos after the destruction of the second temple. Did any sort of similar thing, meaning standardized prayer service, become instituted after the destruction of the first temple? And if not, why not?
According to that same shiur they knew they would be rebuilding the beit hamikdash so there was no need to establish a prayer service. it wasn't until the destruction of the second temple where people despaired of rebuilding the temple that they needed to find a "replacement" for korbanot and instituted a set tefilla