I am aware of telemetry, yes.
Even if we ignore your continued conflation of Word and Microsoft 365, I suspect you have nothing to support your assertion that Word transmits the content of your document files to Microsoft.
Realistically this whole exchange is moot. A medical providers use of patient data management software in no way constitutes a “release” of data to that software provider as the person I originally replied to seemed to think.
Perhaps you’ll have an opportunity to administer a tenant someday and that’ll give you a better understanding.
You’d never be able to tell. If this is true your “understanding” doesn’t show but I’ve seen some very dysfunctional organizations so I wouldn’t be surprised.