It is slow, awful, will crash your computer multiple times, installing the software is a bitch, will never kill IE 6, is backdating technology by 14 years, will never die, is slowly destroying everything good about the internet and is not usable by 95% of servers.
But 65% of the population will still probably use it...
I would argue that this is mostly because Yahoo '95 comes with Chips Challenge:

No matter what my problems are with Microsoft and/or yahoo, I will always love chips challenge.