Area of Operations
Where, in the Northern hemisphere, does the QE class anticipate providing the strategic projection of power? Even with the range of the F-35B (as opposed to F35A or C), it is hard to identify a credible future theatre where Host Nation Support would not permit power projection without the need for a Carrier Strike Group, particularly considering stand-off and A2AD issues.
Add to this the problems associated with supporting the F35B reverse supply chain at range, it is difficult to understand its capability beyond 'soft power'....