Definitely agree with you on the HLC on the B54OPRO-Z4E. Tested HLC-1 with the Color4M-T cameras, but for them the WDR seems to work better.
Nox Vidmate VLC
The big takeaway for me is the massive overprocessing with the 54Pro, looks like combination of sharpening, gain and NR, couldn't say which. It results in less detail and a far from natural look to some of the shrubs/trees/grass.
Speed Test
The Intel search is simply the preview file. I believe you can set how long it records after tripping on the rule page. Default is 10 seconds
Speed Test