Why using now a technical analysis appraoch

Day by day one of the best research boutique specialized in behavioural and technical analysis were ranked second best research bureau in Europe for 2007.(more infos on DayByDay Independent Research)
This is not surprising to me, here is why.
The chart below of the Dow Jones Industrial suggests that a 17 year period of dorming followed by a 17 year period of intensity appear to exist.
Note that during the 1966 to 1982 last dormant period , volatility was very high.
This was a period when technical analysts outshine fundamentalist analysts because the buy and hold phylosophy breaks down.
Historical cycle suggest that this present dormant period should last until the years 2016-2017.
Warren Buffet doesn’t use technical analysis, however it is intereresting to note that he has long used the 17 year cycle in his investment planning.