I really don't think this is effective advertising, reactions have been negative virtually everywhere.
The security bugs were real (see the Open Source projects struggling to keep up) so I think gradual rollout was sensible originally before the ban. But people have always resented safety steps.
For the purposes of technical excellence, you are absolutely correct that this has been bad. For the purposes of money-getting, this has very much been a case of "there's no such thing as bad publicity".
Anthropic is very much in the money-getting business right now.
The security bugs were real (see the Open Source projects struggling to keep up) so I think gradual rollout was sensible originally before the ban. But people have always resented safety steps.