I don't get it - Yahoo is shutting down a service where humans are obsessively tagging a shitload of handpicked URL from the abyss that is the internet these da

I don't get it - Yahoo is shutting down a service where humans are obsessively tagging a shitload of handpicked URL from the abyss that is the internet these days and they cannot figure out a way to keep this alive? Am I missing something here?