That was for an old version of HDCP up to 1080p, right ? Not to mention, capping and transcoding is tedious and will alter the quality. I doubt if anyone still does it as there seem to be better exploits for the determined.
There are splitters that can do 4K 60Hz HDCP 2.2. You had to really search for them because AliExpress used to remove listings that mentioned this feature explicitly. HDFury devices will do HDCP 2.3 -> 1.4 conversion (at which point you can just use a HDCP 1.4 splitter/stripper).
Due to the amount of very high quality files you have on torrenting sites, L1 is being broken already indeed, they just don't publish the methods and devices they are using for that so they don't get patched.
