At runtime maybe (although that's also not 100% true) - but I've seen a big project go from being compiled in 10 minutes in our ci, to hours due to the introduc

At runtime maybe (although that's also not 100% true) - but I've seen a big project go from being compiled in 10 minutes in our ci, to hours due to the introduction of large features heavily relying on templates. The fix was installing a k8s cluster to run the Jenkins build jobs distributed on bare metal nodes, this wasn't exactly zero-cost.