From that same article:

"In a 1974 speech, Koch outlined numerous avenues to “fight for free enterprise,” which, to Koch, meant stripping the government to its bare bones. Koch rated “the educational route the most vital and the most neglected” of the options he listed.[7] “The educational method enables the businessman to work effectively without exposing himself to the same public criticism that the other methods, particularly politics, seem to evoke,” Koch said.[8]"