tl;dr:Stephan argues that while tests are crucial for software development, they are perceived negatively by developers because they highlight mistakes without immediate benefits. He suggests that tests become a burden when under business pressure, as they can lead to blame for missed deadlines. Stephan advocates for tests as non-negotiable and part of professional engineering, urging QA to support developers in creating effective tests.
tl;dr:"One way to simplify your stack and reduce the moving parts, speed up development, lower the risk and deliver more features in your startup is “Use Postgres for everything”. Postgres can replace - up to millions of users - many backend technologies, Kafka, RabbitMQ, Mongo and Redis among them." Stephan gives explicit examples how.