I think that it is worth mentioning that recent research has pointed to another reason for the raid and that was to allow British Naval Intelligence to raid the offices of German Naval Intelligence in Dieppe, and that even Ian Fleming was involved.  Perhaps the sacrifices of these soldiers and sailors was for better reasons than has been stated publicly before.

https://www.theglobeandmail.com/arts/books-and-media/rbc-taylor-prize-nominee-david-okeefe-on-what-inspired-his-book-one-day-in-august/article23184942/