I started to read that thread and was overwhelmed with issues and gave up.
It sounded a lot like the days of the first DVD players when the "follow the rabbit" on the Matrix thing would crash some players.

My OLED LG (this years with HDR) upscales amazingly good as well.

My Phillips player has been flawless. 3D and all. If I had to choose I'd pick 3D over 4K.
Mind you it's always 4K with the upscaling.

- Fiddler (IMHO)

If you think listening to music is fun, try learning an instrument.
HT: G61RSL, 4x5K, 5.5KHC, 2xSC6000, Transporter, HD621, Philips BDP7501 4K, Tivo, 65" LG OLED 4K C6
Computer: Foobar2000, 5K, Mojo, HiFiMan HE1000 V2