⭐ Merited by Pmalek (2)
I just wonder how they choose their priorities - they come to the forum and see which is the most popular mixer, or they put them all in a hat and draw a name 
I think they are tracking Lazarus Group because from the first blender it was seized in 2021 and until today they have been directly or indirectly under the management of that group starting with Tornado Cash, Blender.io[2] Chipmixer[3] and Sinbad[4]
The only exception is bestmixer. I did not find that they have strong links to the Lazarus Group. Perhaps the reason for seizes is the data leak after the dark web market seized.
If you noticed, the issue revolves around the United States’ desire to limit the activity of the Lazarus Group[1], so Tornado Cash, Blender.io[2] Chipmixer[3] and Sinbad[4] were banned more than it was a ban on mixers.
Therefore, I hope that the restrictions regarding the definition of mixer will be reduced, or at least that they will not be worse than the current wording.
[1] U.S. Treasury Issues First-Ever Sanctions on a Virtual Currency Mixer, Targets DPRK Cyber Threats
[2] OFAC sanctions virtual asset mixer for the first time to combat North Korea’s Lazarus Group
[3] ChipMixer was one of a variety of mixers used to launder the proceeds of hacks perpetrated by North Korea’s Lazarus Group
[4] Feds Seize 'Sinbad' Crypto Mixer Used by North Korea's Lazarus
Therefore, I hope that the restrictions regarding the definition of mixer will be reduced, or at least that they will not be worse than the current wording.
[1] U.S. Treasury Issues First-Ever Sanctions on a Virtual Currency Mixer, Targets DPRK Cyber Threats
[2] OFAC sanctions virtual asset mixer for the first time to combat North Korea’s Lazarus Group
[3] ChipMixer was one of a variety of mixers used to launder the proceeds of hacks perpetrated by North Korea’s Lazarus Group
[4] Feds Seize 'Sinbad' Crypto Mixer Used by North Korea's Lazarus