Similarly, I spent ~£2000 on having a wonderful home cinema setup (meticulously organised kodi library on a dedicated HTPC, surround-sound, projector) -- but it’s mostly collecting dust because chromecast’ing netflix from my phone to the TV is so much more convenient.

I’m really hoping that Matter’s open casting protocol takes off, and we can get a new generation of software that combines the best of "self-hosted open-source interoperable ecosystem" and “one tap on the phone to have something playing on the big screen”...