Honestly PH always felt to me like a time waster. “Oh look at this idea. Neat. Next.”
Now, a website where I can type in the problem I am having and it suggests solutions (with a mix of self hosted vs commercial products depending on my settings) would be super useful. For example: “I want to organize a library full of old photos that don’t have metadata” or “I want a cheap online backup solution with support for Linux servers” or “I want to automate sending personalized-feeling birthday cards to people I know professionally”.