Typically the flight deck community will be focused on the t&c's whether it's better or worse than flexi etc as that is your job, and good luck in your choice.
The real question is not about filling the seats in front of the f/d door, it's filling the ones behind it, this potential growth is great, but are you really sure the business is sustainable.
Having very close hand experience of Monarch management I would say buyer beware.
The guys and gals on the front line are 99 percent excellent folks, it's the people upstairs I worry about. This expansion has come about ten years too late, so many ships have sailed.