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A cartoon's purpose is always derision/mocking." NOT in French culture. Charlie is as others of this kind highly political. Cartoon is a misleading word. In French, caricatures is not a "bande dessinée" as "Asterix" or "Lucky Luke" are. For Le Canard Enchainé, Charlie and others, a small drawing is better than 1000 words.
As by Daumier:
http://expositions.bnf.fr/daumier/images/3/018.jpg
http://expositions.bnf.fr/daumier/images/3/023_1.jpg
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Why didn't they do that when their staff died?" They did. Stop assuming....
http://media.koreus.com/201501/homma...ie-hebdo-5.jpg
http://media.koreus.com/201501/homma...e-hebdo-20.jpg
http://media.koreus.com/201501/homma...e-hebdo-23.jpg
https://pbs.twimg.com/media/B6w9TFsIQAAiTee.jpg
I can't find the one with the graves and one saying:" Happy New Year, and and good health (the usual sentence in France for new year)", and the other one saying "The cons!!!!!..." (which is milder in French than in English).
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Why would there be indignation when the comparison to the berlin wall is pathetic?" Really? Barbed wires, walls and even armed force at the checked points? But, all right, your opinion.
Magino Line will do (or perhaps not enough bunkers and artillery for your taste), as it is to stop "invaders" to come in.
And you should read the Media just during at least 5 days after the publishing of the picture, it was really a truly and heart-breaking indignation, at least ONE week...