Final answer:
Tourism, not basketball, is the export-oriented industry that directly impacts all 15 counties in Arizona with significant economic contributions through job creation and revenue generation.
Step-by-step explanation:
The industry most directly impacting all 15 counties in Arizona and being export-oriented is not basketball but tourism. Tourism is a gigantic industry that generates significant revenue and provides employment to many individuals across various landscapes. In the United States, certain regions like Arizona leverage natural attractions such as the Grand Canyon, as well as cultural and recreational activities, to draw visitors domestically and internationally.
However, it's worth noting that basketball is a sport with deep roots in certain states like Indiana and Kentucky, which have developed a unique passion for the game. While basketball has contributed to the cultural identity of these regions and possibly influenced local economies, it is not comparable to the widespread economic impact of tourism. States such as Arizona benefit from a growing tourism industry due to their favorable Sun Belt location, attractive landscapes, and proactive tourism marketing strategies. This makes tourism an essential source of basic income, especially in places where other industries might not be as profitable or possible.