App Contacts fails when iCloud cards and Facebook cards are unified in Linked Contacts.
Most of the time iCloud name is different from Facebook name representing same person.
The problem appears when I set iCloud name to be the one used to show contact name.
So, I choose which name I want to be displayed by pressing "Use This Name For Unified Cards".
It runs so during some period of time.
But some time later Facebook names come back and became default contact name, unexpectedly.
This drives me angry.
It's a big bug and needs to be fixed by Apple.
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