So are you also upset with the decline in railroad travel?
How about switchboard operators?
The reasons for the decline in organized bowling has been researched extensively. However, bowling as an activity is very strong. It's not USBC'S fault that some owners are poor business people. The PBA had a chance to fix their own house, but didn't put in the effort to get the job done. If they want more prize money, then they need to figure out how to promote the sport.
In case you didn't know, the PBA and USBC are not the same thing.