Rather than conclude that the crew ‘had no clue’ or ‘did not plan’, it might be better to consider and post, what might have been done or how we all might avoid such errors.
Dear Alf
Your argument displays all the cheap elements of diversion most regulators, manufacturers and many busy contributors to these forums use:
"Give me solutions or shut up".
Apart from it's poor weight as a contribution, because you yourself have no solution but to shut up and you don't, it is simply wrong:
Read the title of the thread ffs! 