I'm in Lavinia's group too. People currently have a lot of things on their mind:
1) Our bard is currently waiting for his first child being born.
2) Our druid is learning for her exams.
3) Our monk is working 700km away and cannot always be there on sundays.
4) Our DM will be on vacation for 2 weekends.
5) Our cleric has only carneval on her mind until the end of february.
Our dwarf is not giving an answer right now, that's true but otherwise everone seems to be preoccupied with something else right now. Some justly so, others not. We'll have to see what february brings before being able to say something about the general mood. I wouldn't mind reducing the party size to maybe four people and a DM anyway.
Having seen the death of more than one group, I'd say that the current state is the beginning of the end. At first you game every weekend, then you reduce it it to every second or third weekend. After that you're lucky to get a game running once a month. In the end it's only a game in 3-6 months time and then everyone starts saying things like, 'Hey we should game again' but have no intention of making it happen.
It's always a matter of priorities, either you make it happen or you don't. Certainly, sometimes it's not possible at all but if people were more honest, they'd say that about 50-75% of the time it's just them setting priorities of other things higher than RPG. As for me I hate planning weeks or months in advance to get a game together. Sometimes I think that all people just love being stressed and try to make as tight a schedule as possible to prevent them from having some spare time. I prefer having a day or two per week where I can do nothing but relax from the week's work stress and playing with my friends counts as relaxation for me.
Sorry if this turned out to be a bit rantish.
I think you hit the nail on the head. It's definitely all about priorities. Sure, not everyone can make it all the time. But if lots of people skip out on sessions, don't reply to your inquiries about gaming, and always say they are too busy, the game is no longer a priority for them. The solution is to find people who love the game enough to make time to play.