And, yes, the Anthropic Mythos post fits a previously-seen pattern of “AI” companies marketing by danger, but saying that it’s marketing does not refute what the models that are already generally offered can do.
And people act like their own conjecture is more informative than what people from multiple projects that deal with security bug reports say. See e.g. https://mastodon.social/@bagder/116363034479757682 .