MyTravel have had one instance of a six screen failure. It self reset after 40 seconds. It has happened to other operators with the EIS2 screens, and is nothing to do with electrical power but was a software bug in the EIS2 DMC which involved a failure of one causing the others to enter the BITE cycle.
There was a short term fix which, if I recall, was to switch the displays off, then on, during pre flight checks, revised software was issued quite quickly and there have been no further issues.
Sorry not BS.