The business guys tend to have the checkbook. So, if they're intellectually lazy, they go with what they know rather than whatever they might need. Given that

The business guys tend to have the checkbook. So, if they're intellectually lazy, they go with what they know rather than whatever they might need. Given that you're not going to be able to hire Bill Joy very often, there's a lot of developers out there looking for work. Anywhere there's "lots", there's downward salary pressure (chemists, engineers, ...). Things might change a bit when they can outsource management or when non-Western competition truly arrives.