What is the single largest driver behind the contraction in many white-collar and repetitive manual roles?

Answer

Relentless advance of automation and software

The text explicitly states that the relentless advance of automation and software is perhaps the single largest driver behind the contraction in many white-collar and repetitive manual roles.

What is the single largest driver behind the contraction in many white-collar and repetitive manual roles?
jobcareerdeclinedemandworkforce