Everything you said here is false...not sure where you got this info.
The Boeing 787 has experienced incidents of uncommanded fuel cut-off, which can occur due to issues with the aircraft’s advanced electronic systems, such as the Full Authority Digital Engine Control (FADEC). These incidents raise safety concerns and have prompted investigations into the aircraft’s electrical systems and fuel management protocols.
eplaneai.com Business Standard
Overview of Uncommanded Fuel Cut-Off in Boeing 787
Uncommanded fuel cut-off incidents in Boeing 787 aircraft have raised significant safety concerns. These events occur when the fuel supply to the engines is interrupted without pilot input, potentially leading to engine failure.