Choosing is much harder than it seems, and much more resource consumming. Then you have to integrate them. And of course test, maintain, document and update sai

Choosing is much harder than it seems, and much more resource consumming. Then you have to integrate them. And of course test, maintain, document and update said integration. All people I worked with that had your philosophy didn't so that last part, and it had important consequences for the whole project duration.