However, with VB business users who knew a database would come up with applications that served their needs well.
These applications are still all over many companies and government departments.
In general though, these folks wouldn't be able to do the same with XCode and in addition XCode only targets a platform that isn't widespread in business and government.
IB and EOModeller once too were targeted at business users. The RADsy parts of Xcode are older than VB. It's just a bit of a historical curiosity: while RAD tools went out of fashion (at least for 'serious' programming), Xcode is still ticking away, in mainstream use.
However, with VB business users who knew a database would come up with applications that served their needs well.
These applications are still all over many companies and government departments.
In general though, these folks wouldn't be able to do the same with XCode and in addition XCode only targets a platform that isn't widespread in business and government.