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It's not the dead character's shared stash, it's your account's shared stash. Whatever you put in the stash is no longer that character's stuff, so you're not inheriting anything.
Also, the fact that they incorporated this feature due (mostly) to fans' requests really goes to show some people around here that complaining about something might get you somewhere, and that the appropriate response is not "STFU, STOP QQ!".
QQing wont get you anywhere. Person who came up with this graveyard thing on blizz forums presented valid point, many people found it worthy. So blizzard made it happen.
Making threads like "OMG BARBARIAN UNBALACNED BUFF HIM OMG" wont get you anywhere