It did more than not suck. Lots of software sucked by just not being good at what it was supposed to do. That got ignored.

Winamp radically not sucked by being basically the only piece of software in that space that didn't try to turn your computer and your love of music against you while you were using it. It doubled down on that pile of win by being highly competent at what it set out to do as well. That rightfully earned much love.

A lesson a great many web service companies could learn from today.