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Perhaps too late to apply technology but never too late to learn how to defeat it.
They probably could learn that tanks need not be over-engineered to be effective.
The Tiger was already a little old fashioned in not having sloping armour and it would take longer than a year to put a design based on the Tiger into production but there were still lessons to be learnt from this powerful machine, which is why it's capture was considered to be of such great importance in 1943.