When even H.265 is being dropped by the likes of Dell, adoption of H.266 will be even worse making it basically DOA for anything promising. It's plagued by the same problems H.265 is.
Eventually people and companies will associate HEVC with "that thing that costs extra to work", and software developers will start targeting AV1/2 so their software performance isn't depending on whether the laptop manufacturer or user paid for the HEVC license.
[1] https://arstechnica.com/gadgets/2025/11/hp-and-dell-disable-...
But this just indicates that HEVC etc. is a dead end anyway.