I agree with you, but even in 2009, web developers had to worry about IE6. It had enough of a market share, because so much of web browsing is at-work by people

I agree with you, but even in 2009, web developers had to worry about IE6. It had enough of a market share, because so much of web browsing is at-work by people who either aren't allowed or don't know to install a better browser.