blue, I don't think you'll get any argument that the market will correct. The argument is when?
The reason you get slammed so hard is because you think it will correct NOW. Yet when you present your rationales, you mention things that are future possibilities, and perhaps VERY far in the future possibilities.
Ie, in 2000, the market began a correction. It didn't start a true freefall til 9/11/2001. Then the shit hit the fan.
Now, in 1998, there were a LOT of people saying the same things you are now. And then, you weren't talking about an average 18 P/E as you are calling bubble valuations today... back then, the AVERAGE P/E was 28, and everyone's favorite stocks, the ones that had the volume day in day out, were OVER 100 in quite a few cases.
When they were bears in 1998, if they followed their own reasoning, they did not participate, or even shorted the market. Those people had to have lost MORE in some cases than those who held long thru 2003. The shorts had to have gone bankrupt if they began shorting in 1998. Because from 1998 to 2000... wow... the markets moved a lot upside.
Now, why do you think that this is really 2000, and not 1998 is what I want to know?
Any potential event can kick the market to freefall... but that's been the case for 100 years. If last year say, we had a terrorist attack, do you think we'd have the runup we did these last 5 months? No, you know we wouldn't have. So this cannot be justification for your position, because 'what ifs' that are always true cannot persuade anyone RIGHT NOW to sell, because the 'what if' isn't true now.
Valuations? Valuations are nearly 1/2 of the highs this decade... and this is after 7 years of inflation. How do you figure they're high, relatively speaking?
High compared to the recession and the aftermath of a terrorist attack on US soil on 9/11/2001, the year of the lowest point of the stock market?
High when we initiated a unilateral war, against the approval of every nation on planet earth except 1, shortly after the above in 2003?
The market simply couldn't fall any farther, when nearly every stock on the exchange was selling for pennies on the dollar and many nations could buy an entire major US corporation with 1 year of US debt to them. It began going up... because ownership in US companies was nearly free, based on those valuations. Profitable companies with millions in cash were worth a dollar or 2 a share.
So what will cause it to drop NOW, when it's got a whole lot of ground to still make up, when we now have a democratic congress who doesn't want to start a war with every nation that looks at ours funny, Rumsfeld was shown the door, and China is fighting their own currency devaluation by propping up ours.... while at the same time, reducing their US dollar holdings (how? In the stock market? They sure aren't going to put it in more Real Estate right now).
Do you still think it's going to crash now and why? Because we're too smug about the market? If you're close to agreeing, let us know why

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