Not the author of the relevant post but assuming he's tailing off of the first response I can only surmise they meant that in their case Kafka was unnecessary/a

Not the author of the relevant post but assuming he's tailing off of the first response I can only surmise they meant that in their case Kafka was unnecessary/a bad choice due to the restraints posed (<5 minute delay, streaming input, etc). Agree that without context it's an incomplete comment that does come off as dismissive, ("junior dev") seems to be meant as belittling/insulting.