[jlgreco]

If they are off in their own totally isolated little IE6 only world, I don't get why we care about them then.

[eropple]

Because their workers do go view Facebook. If that's a market you need to target, you need to make it work with IE6.

(There's also the whole "they get infected with everything under the sun and make the rest of us deal with them", but that's not a visual issue.)