[js1138]

You are absolutely wrong. Social Darwinism was not the misuse of Darwinian theory, it was putting Darwinian theory into action:

How is that different from building and using a bomb? Does the bomb disprove chemistry and physics? Does the fact that physicist might want to kill people make killing the only proper use of physics?

[gore3000]

You are absolutely wrong. Social Darwinism was not the misuse of Darwinian theory, it was putting Darwinian theory into action:

How is that different from building and using a bomb?

A bomb can be used or misused. A theory that promotes the killing of innocents, the lame and the weak cannot be used for good.