That was one of the reasons why we didn’t include the defaults in the code.
- We didn’t want to skip the defaults part in case there is a failure with the Piwik PRO container (e.g. outage, blocking)
- We wanted them (the defaults) to be on top of any potential tool that could either make use of them or modify them.
As you’ve mentioned - it’s of course possible to add those in the integration tag but we can’t really advise on doing so because of the mostly asynchronous manner of Piwik PRO Tag Manager and reasons above.