You're lucky! Most places I've worked see a POC and want to rush to the next step.
That's why it's important for us as developers to manage up. We need to advocate for some extra time to do POCs the right way because it most likely become production code
The only complains I have from our process is that a. the poc allocated time spans between 2 to 4 weeks in order to decide whether a ~2 years project is feasible... b. between the poc and the actual start of the project there is barely enough time to properly design it. Thus following certain practises as the article suggests is highly recommended
As of lately though things have improved by a lot.
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