If you read through the article, it mentions that the other band members joined after the departure of Glen Cambell and Brian Wilson. I think the writer of the article mean Al instead of Glen.
The philosopher Michel Foucault wrote in praise of curiosity, calling for "a readiness to find strange and singular what surrounds us; a certain relentlessness to break up our familiarities...; a fervor to grasp what is happening and what passes; a casualness in regard to the traditional hierarchies of the important and the essential."