Not everybody deploying to $CLOUD necessarily knows a lot of $CLOUD and bash. They might know that they need an MPI cluster with N Cores and X GB of RAM pr c

Not everybody deploying to $CLOUD necessarily knows a lot of $CLOUD and bash. They might know that they need an MPI cluster with N Cores and X GB of RAM pr core, 10 Gbit interconnects and 200 GB of shared storage. Learning how to edit a Terraform template that someone else wrote to achieve this probably is a lot easier than learning how to edit an ad hoc bash script and probably a lot less error prone.