To be fair, WWW, both graphs show the nationwide figures falling from the middle of last year, Halifax say the figures peaked in August, Nationwide in July. Whilst no-one would disagree with the basic tenet, that prices are falling and probably have a long way to go, don't you think you weaken your arguement by overstating it?
By all means advise caution, but shock headlines about the state of the US domestic airline market have little relevance to what happens in Europe and the middle east, very few europeans would want or be able to look for jobs with the US majors. The same is true of the housing market in the UK. OK, you've made what may be a smart move in selling your house but in your enthusiasm to talk down house prices you are not presenting a balanced picture to wannabees, you (and heliport) are only swamping us with one extreme viewpoint.
That is in fact the crux of the problem. No-one knows what will happen to either the economy or the airline market, there are only opinions. The press tout an alarmist view because it simply makes better headlines, but for every cut-and-paste article there's a quieter voice somewhere with a more moderate opinion. They may be right, they may be wrong, but you are losing the balanced view in your enthusiasm to see house price falls. You didn't, for instance, need to invade the tongue in cheek thread 'Growing evidence that the upturn is upon us' quite so forcefully, let it run, it's just an alternative point of view.
The shame of it is that your basic advice is, as ever, sound. Anyone entering the market now should be aware that there is a probability that jobs will not be so easy to find in a year or two. Stay in employment as long as you can, don't borrow large sums secured against property, be careful. Oh, and never pay an FTO more up front than you can afford to lose.