CLEAN : At 71 conceptual art pioneer Kosuth still has plenty to say

The transcript discusses the challenges faced by the art world due to the influence of corporate culture and economic factors. It highlights the misconception that the most expensive art is the most important and emphasizes the need for cultural engagement beyond economic terms. The speaker shares personal experiences of a busy career and the importance of relevance and reinvention in an artist's long-term success.

What significance does the speaker attribute to the artist's early fame at the age of 22?

In what ways has the artist mentioned in the text reinvented himself throughout his career?