the left hand doesn't know what the right hand is doing
/ðə ˈlɛf ˈhænd ˈdʌz.ənt nəʊ wɑt ðə ˈɹo̞ɪ ˈhænd ɪz ˈduːɪŋ/
When parts of a group fail to communicate.
“In their office, the left hand doesn't know what the right hand is doing.”
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