Slightly off-topic, but I'm totally in favor of letting HDMI die the slow and agonizing death it's supposed to die.

https://arstechnica.com/gadgets/2024/02/hdmi-forum-to-amd-no...

And replace cable pain with ISM congestion pain? Living in a somewhat densely populated area I find myself switch off Wi-Fi on my smartphone because paid LTE is so much more reliable quite often.

It exists if you pay for a pair of dongles and are ok with bandwidth compormises.

Because once you have more than a handful running at once (say an apartment building) the interference causes them all to fail