With all respect to the Anthropic folks, that's just marketing. (If they're reading this: let us into the program so I can be proven wrong here.)
I'm sure what they have is awesome, but it's clear that there are people out there with some decent prompts that are getting results out of widely available models as well.
The big thing we're sharing is: bulk scanning by random people in random geographies got a _lot_ better around January, it's widely distributed, and it's going to get a lot better regardless of whether that specific version of Mythos becomes widely available or not.