<<Forgive me IP...and should be given a rest>>

Forgive me IP, two more brief points and I will stop beating around your bush and give myself a rest.

...I'm not really sure where all the suffering of the last century comes into the discussion...-IP

(1) Three generations of freudian psychoanalysts were unleashed on a trusting public by the modern medical profession. After eighty years of treatment and untold billions of dollars spent by governments and desperate people, their cure rate was found to somewhat less than voo-doo doctors. Kant is considered one of the most influential people of the past millennium. So is Freud. Kant meant no malice. Neither did Freud. The danger of the sparkling ideas of Kant is that they are not being used as a base to build upon but rather as a jeweled navel stud for pedants to contemplate and quote.

Poetry is also useless -- but I like some of it. -IP

(2) By liking some poetry you give some poetry meaning.
And conversely, it is impossible to like something without that something possessing an evolutionary function. This, I think, is an extension of the thoughts of Kant.