When gliders fail in flight, but pilots manage to land

The ASH25 incident JJ recounts brings this to mind:
In 2-seater situations where the second pilot is essentially a "ride", is there consideration of the second (if qualified) pilot taking control?
Jim

Broken rudder cable in a Puchacz. Used ailerons to sideslip it all
the way to landing and full airbrakes that reduced rudder
effectiveness by about half. Interesting approach and landing
across the field.

Loose gapseal in LS4 in spiraldive on aileron. Unable to roll out
until combination of opposite aileron, rudder and full airbrakes
slowly overcame it.

Broken rudder cable in a Puchacz. Used ailerons to sideslip it all
the way to landing and full airbrakes that reduced rudder
effectiveness by about half. Interesting approach and landing
across the field.

Loose gapseal in LS4 in spiraldive on aileron. Unable to roll out
until combination of opposite aileron, rudder and full airbrakes
slowly overcame it.

I believe there is a similar article by Richard Johnson. Remember stick problem - either no forward travel or stick limited to keeping glider in high angle of attack - put glider in turn where that stick configuration is required, buy some time to make a more thought out decision.

Mark