One of the biggest challenges to becoming better at building, deploying, and operating software is the culture changes required. DevOps requires we work as a team, which can be hard to do. Often people have competing interests and goals. They don't trust each other as much as we'd like, and maybe more importantly, management doesn't trust the people doing the work.

There is plenty of blame thrown around when things don't work as expected (or aren't delivered). That's a poor culture in which to be creative or experimental. In reality, those things are a lot of what we do in software development. We aren't solving the same problem over and over, building a bridge or house that is mostly constructed as many others are. Instead, we are assembling more complex systems in different ways.

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