lots of people not considering UNPHAT - https://gist.github.com/rponte/67c78e6b3ee349a6e14cb8fb155b7... / https://stevenschwenke.de/pragmaticSoftwareEngineeringUNPHAT - some solutions didn't exist in the past. you evaluate your landscape and your problem, and try to find a good fit.

Kafka was created at LinkedIn when it was already quite a large web platform, to solve the problem of distributing a unique newsfeed to a wide audience… so while they weren’t Google, they were still closer to Google than the targets of the “UNPHAT” expression. You can apply UNPHAT to most of the people using Kafka today, but it’s not fair to apply it to LinkedIn when they created it.