MicrosoftAaron_Cutchin - Until dependencies can't be inferred whether due to a poor resource provider (Origin Groups/Origins in Azure Front Door requiring a manual dependency for instance) or where you have specific build orders for VMs etc. Also circular dependencies can be tricky too as your code evolves. Let's not even get into how complex TF state can become to manage.
IaC is super powerful but in most cases you need to be a very experienced cloud engineer with a software engineering skillset to leverage IaC to its maximum potential. The unicorns of the IT industry.
