We need every org to have an anonymous provider. THis case has been covered for new orgs, The migration script will update the orgs that were created before the 'Centralized Provider' commit.
Related issues
Bug #5418: Need a migration script for orgs with no anonymous provider
Added by Partha Aji about 10 years ago
Fixes #5418 - Migration for anonymous providers
We need every org to have an anonymous provider.
THis case has been covered for new orgs,
The migration script will update the orgs
that were created before the 'Centralized Provider'
commit.