Evolutionary theorists describe a situation they call a “blind
alley”. The examples they allude to are almost invariable related to physical
features. A common one is a blind cave fish. These fish inherit residual non-functioning
eyes. The eye evolved has an extremely
complex inheritance pattern, which involves many genes as well as their
synergistic effects. Failure to inherit or the inheritance of one or more faulty
genes related to sight does not matter because eyesight in a dark cave does not
contribute to survival. The cave is a cul-de-sac or box canyon, which means
there must have been a way in for fish with eyes that evolved through natural selection
but no way out either physically or evolutionarily. A fish would probably never
re-evolve eyes by adaptation if there were not light or even if there was. Jared
Diamond in his books described such changes at the cultural level that led to
extinction of human beings in geographically restricted areas; Ester Islands
for example. There appears to be another sort of “blind alley” we are creating for our selves
with our morality: a cul-de-sac of psychology—equivalent to fashioning a rod
for our own backs.
Read the following passage taken from Stephen Pinker’s book,
Blank Slate, and then ask yourself, “What
is the solution to the obvious problem this situation presents?” We have some
people he describes in our society in fact we may have them in our families. We
can identify some of them with a high degree of certainty. Nevertheless,
because of the complexity of personalities and the fact that they do not constantly
display these traits, we cannot indentify all of them. We see some version of them
portrayed on TV and read about them in books but never do we associate them
with pleasant endings. Our morality
prevents us from finding an agreeable solution.
Psychologists
find that individuals prone to violence have a distinctive personality profile.
They tend to be impulsive, low in intelligence, hyperactive, and attention deficient.
They are described as having an “oppositional temperament”: the are vindictive,
easily angered, resistant to control, deliberatively annoying, and likely to
blame everything on other people. The most callous among them are psychopaths,
people who lack a conscience, and they make up a substantial percentage of
murderers. These traits emerge in early childhood, persist through the
lifespan, and are largely inheritable though nowhere near completely so.
The terminators played by Arnold Schwarzenegger
on TV tell us to terminate them. The tough guys, the Sheriff Arapios, tell us
to put them in prison before they harm anyone. However, our legal system built
on cultural norms tells us they are not guilty until they commit a crime. Councilor
tell us we should council them; however, evolutionary theorists tell us these
traits evolved as part of a complex personality thus are a complex mosaic or
unique personality pattern; therefore, these tendencies may be diminished but
not eliminated. We could not allow them to have children, but society considers
eugenics immoral; these people can have children that will not behave as the parent
does.
This is a cultural blind ally we created
when we shed our bestiality (Schwarzenegger and Arapio aside) by our sense of fairness
and altruism, in other words our humanity; to kill them, to imprison them, or to
the sterilize them is immoral. Counseling them may be ineffective. We are left
with one option. We know we can identify some of them with a fair degree of certainty
but still we do all we can “morally” do;
we live with them and hope they do no harm. We live in a blind cave we created by our morality—even though we
are not perfect, I would want it no other way, perhaps because I can have it no
other way.
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