If you're using or for actual market analysis, then yes. I completely agree that the 3rd dimension makes it more complicated! But there's a 3D/2D toggle in the top left corner of the Overview page if you're opening it from the desktop
Thanks @let_var! On the front end, it's a Next.js app with three.js / D3 visuals. The map rendering and the UI was done from scratch almost (well, on top of the mentioned libraries)
And on the backend it's a simple Node.js Express server. Data-wise, I can't share the exact APIs I'm using but they're easily searchable.