yet another reason to switch to Firefox or Opera or something? I'm a big fan of Firefox, but each to their own.
Problem is, it's not the users who have to pay the bill for Microsoft's awful software, it's the web developers. You have no idea what we could be doing by now if we didn't have to spend two thirds of our time fixing Microsoft's bugs for them.
And that right there is the problem with the Microsoft Mega-corporation.
Their dominance can be viewed as a blight on PC development.
This sort of behavious is unfortunately normal in the world we inhabit, whatever is easy and well-known wins. See further, Google, the iPod+iTunes, Amazon, eBay, etc.
Their initial popularity and ease of use causes a reinforcement which makes alternative models very difficult to launch and maintain. Sometimes a new challenger can break through, but that is far from the norm.