Bassa are not being stupid - they are being clever._ This idea of not pulling the blinds down is as transparent as the cabin windows._ It is secretly provocative.
It is possible that the person who advocates this sullen sulkiness no longer works for BA._ He blames his sacking on all CC who were not 100% behind him being reinstated with acclaim._ He therefore has a grudge against all CC and has devised this clever scheme to cause trouble to all and everyone.