Yes, Buffet rode the post-WWII economic expansion. Right place, right time. So? You really think that value investing will beat index investing, especially if value investing carries with it the possibility of total loss?
There are 1000s of ways to make money in the market. Whatever method is making you money, that is the right method for YOU... I have my own method and it is making me more money than I need (I live modestly) and that is the right one for ME. Even if many are still saying it doesn't work...
He did very nicely in the 1966-1982 non-expansion as well. Was up in 1973 and 1974, when the S&P tanked 45%. Right place - Omaha, Nebraska? Right time - for 50 years? You are clueless.
This ain't the 60s, buddy. How has he doing since 2000? Not that well. Why? Because in a liquidity bubble stocks prices have nothing to do with fundamentals.
If you look at the chart of the B shares, in the 1st month of the year 2000, it was 1500, now in 2008 it is still over 3000 so if you bought in Jan of 2000, you would have made over a 100% return by holding for over 5 years. Not too bad.