Let's get to present case. Let's say both capt and copilot Pitot inlets blocked(not total dual Pitot block which the article forbids) Even this will give wrong airspeed both side. How does handing over help? Instead after takeoff you just fly 15° pitch is it some complicated procedure? Then after checking the third i.e. ISIS for confirmation If PF uses transfer isn't it safer? How can you transfer without ensuring the PM has speed. What safety first says is not to use Dual total Pitot blockage that includes drain holes.