Cockpit/Flightdeck

Last question I promise! I am just getting so fascinated by all aviation!
I was watching the UK TV series Airline, and the first officer said that now they are encouraged/persuaded/told to call it the "Flight Deck" instead of a "Cockpit".
Anyone know why?
Tom
I was watching the UK TV series Airline, and the first officer said that now they are encouraged/persuaded/told to call it the "Flight Deck" instead of a "Cockpit".
Anyone know why?
Tom