Crews Re-manning Tanks - A Muddy Affair?

Please forgive the pun, but whilst playing A Muddy Affair (which, BTW, is an absolute gem of a scenario) a couple of my bailed/dismounted crews ran into a sticky situation (cue groans from the front row)... I had a bogged, then immobilised, Sherman with a perfectly healthy crew on my right, and an undamaged, dismounted Sherman in the centre. *Lightbulb Moment* I sent the bailed out, healthy crew across to mount up the Marie Celeste, but despite my best efforts, the crew wouldn't r

This situation is more complicated than perhaps some may be appreciating. You are viewing the battlefield through the prism of the player who has full knowledge of everything he is in command of. The actual troops doing the fighting have a bit of a different perspective. You see a fully functional tank with no crew in it. Why can't you just recrew it? How does the crew in question know if the tank you want them to recrew is even operable. If another crew abandoned it there is a good chance