But as a medium of exchange, which was its intended purpose, it is practically inert in the real world. Apart from facilitating criminal activity.
Why are you stuck on its intended purpose? Its intended purpose was to decentralize money. It became the defacto store of value, equity finance, ETFs, currency etc.
Same old thing. Show me somebody griping about bitcoin and I'll show you somebody who doesn't have a 2008 Lambo.