Grumpy old developer devils advocate voice: Why does a lot of the modern tech stack seem designed to make you have to pay for a bunch of other SaaS? Like conta

Grumpy old developer devils advocate voice: Why does a lot of the modern tech stack seem designed to make you have to pay for a bunch of other SaaS? Like containers/serverless was supposed to mean "cattle not pets" and it autoscales and autoheals and blah blah blah. And then we break everything into micro services and we need to pay for some SaaS to orchestrate it, and another SaaS to observe/monitor it, and another SaaS to...