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I agree with you that IE is junk, but that's not really a solution. Most users are browsing in IE and from what I can gather they don't want to install a new piece of software because they're having troubles with one site. From the perspective of your average (non web designer) user they probably haven't even considered changing browser before.
We can try and guide users towards more standards compliant browsers, but as a creator of websites I have to face the fact that most people are browsing with IE.