From what I’m reading, they’re a centrist think tank that on occasion takes funding from private sources to write pieces that are in line with their donor’s interests. Bill and Melinda Gates also appear to be major donors

What about an Android tablet running a custom ROM without GApps flashed, and an adapter for HDMI? There’s a handful of widely sold tablets that also have a decent development scene and are cheap second hand. Check XDA forums for various models before deciding which one to get