The Default Environment Is Not a Development Environment
The default environment is a shared productivity space, not a safe foundation for lifecycle-managed business applications.
Every licensed user can become a maker in the default environment. That makes it valuable for individual productivity and a poor place to develop business-critical systems.
The default environment mixes makers, data connections and workloads with different purposes. It offers no meaningful development-to-production boundary. Changes happen in front of live users, and personal connections quietly become production dependencies.
Restrict the default environment with an appropriate DLP policy and clear purpose. Monitor for signals that a workload has outgrown it: multiple users, shared operational data, scheduled automation, external communication or material business dependency.
Provide accessible maker environments and a graduation route into managed development, test and production environments. Otherwise “do not build here” becomes a policy without an alternative.
The default environment is not inherently bad. It is designed for a different class of work from the departmental services organisations repeatedly allow to accumulate inside it.