The original NVIDIA Shield is more than 10 years old at this point and still sells used for around $100 and people are still paying $200 retail for a new 2019 Pro. Interestingly, that price has basically stayed flat at $200 from 2020 to 2026. You can install Lineage or whatever if you don't care about the DRM. It's exactly what HN people want, and that's how much it costs.
I am looking for options and being able to sideload on a Shield is attractive, but if the experience is no different than a homemade Linux HTPC, I can save the cash.
This is full on Google Play Services certification and more. Ultimately to get the thing that can run/stream Netflix etc the amount of work just isn't viable for the price point people would pay for this.
Also the truth is no investor would touch this on hardware sale income alone, needs some subscription plan at least.
Roku was always a weird one, beloved by people who couldn't stand laggy built in TV interface but doesn't really offer much beyond what TVs come with anyway.