Ideas do indeed have consequences, but not all ideas play out the same way or weave their way in the history of ideas toward the same destination.
Was Darwin’s racism purely a function of his time and place, Victorian England? Historian Michael Flannery says no.
Darwin didn’t merely predict racial genocide; he thought it would advance human evolution.
Was C. S. Lewis an enemy of science? The apparent answer to this question is no.
In Julian Savulescu’s view, rapidly advancing brain science will provide some of the data necessary to shaping a better human race.