I will say that it is really annoying to have an HDR video just be way brighter for no reason, and I kind of hate HDR for this and this alone.
[0] This is also why streaming services have shows that are WAY TOO DAMNED DARK. Related: the people mastering the audio have also decided to make all the dialogue way too low because fuck people with hearing disabilities[1].
[1] An audio engineer was asked about this and he outright said he doesn't master for substandard audio setups. No I don't remember the source, it was from one of those articles that show up on the Firefox new tab page. Yes I am kind of reading into things and getting angry about it.