Remove Security Hub linked regions without affecting other accounts findings in the same region

My Security Hub is configured for 4 accounts:

• Account A
• Account B
• Account C
• Account D - Security Hub delegated administrator account

My workloads are deployed in all accounts, but we only use Ohio region. I don't want to aggregate other regions.

When I attempt to turn off the aggregation, I get the message below.

The message is confusing.

Is it saying that my other accounts in Ohio will not be tracked? Or, is it only referring to resources in other regions?