Monterey Safari DRM still a no go.

Follow previous advise first and if still having issues >>

Set up users, guests, and groups on Mac. Then log out of the Main User account and log into the dummy account and test again if the issue persists.

5 - If the issue is present in the dummy account - then, this appears to be a System Wide issue on the computer.

6 - If after performing each of the above steps is the order that have been presents  and still hav issues - please advise for possible further assistance.

7- Suggest downloading the Application Etrecheck directly from a well Respected ASC Contributor. And Safe to use.

The application is free or paid from added features. 

Run the application with Full Disc Access ( Security & Privacy - Full Disc Access ).

It will take a Snap Shot -  both the hardware and software.

 The Report will Not Reveal Any Personal Information. 

Post back the Full Report - copy and paste - using the Additional Text Icon ( 3rd Icon to last )

We can have a look at the report for possible issues and may have possible suggestions to resolve the issues.

Any Third Party Applications that will interfere with the normal operation of the OS, alter, modify, remove or delete or attempt to do so is an invitation for disaster and may require a Reinstallation of the OS in-order to replace any modified, altered, removed or corrupted elements of the OS this software has inflected on this computer 

Although some or all of these Applications maybe available on the Apple Apps Store, it does not mean Apple has verified what exactly the Application can do, does do or is doing to the Computer. That responsibility is left to the User to perform their due diligence on the Application before purchasing and installing it.

Any of the below should be removed as per Developers Instructions 

This includes AntiVirus, Disk Cleaners, Disk Optimizes, UnInstaller etc.

This will include CleanMyMac , This will include BitDefender , 

This will included Norton Antivirus , Sophos Av Software

Intego AntiVirus, McAfee, MacKeeper, Avast AntiVirus

Ad Guard, Webroot

The The Built in Security  is all that is required.

Major Issues:

Anything that appears on this list needs immediate attention. 

Kernel panics - This system has experienced kernel panics. This could be a sign of hardware failure.

disk0 - APPLE SSD SM0512L 500.28 GB (Solid State - TRIM: Yes) 

Reading further in the report and must ask - the this computer Operating System being run from an External Drive ?

Unsigned files - There are unsigned software files installed. These files could be old, incompatible, and cause problems. They should be reviewed.

The Little Snitch is not helping either

Try booting to Safe Mode. That boot up takes minutes and clears caches and other things that may resolve your problem.

How to use safe mode on your Mac - Apple Support

Does this still occur in Safe Mode?

A lot of times just boot to Safe Mode followed by normal boot resolves problems.

If no problem in Safe Mode but problem returns after a normal boot that mean something is being loaded during a normal boot that is causing the problem.