Currently, there is support for GPT3.5, GPT3.5 16k and GPT4, but there are some open prs for opensource models like GPT4All and Vicuna. Going forward idea is to integrate with as many models as possible and philosophically it is model agnostic
The Australian National University has deep relations with China ranging from its numerous Asian culture and language courses, to its huge international student population. The Australian government is far more diplomatic and tactful about Chinese relations than the US government. It's unlikely that either entities would be playing propaganda games with a specific and embarrassing story like this.
Exposing API is the way to go for enterprise as well, however it makes sense to have some sort of API management layer in between (APIGEE, Mulesoft, Dell BOOMi etc) if there are going to be multiple APIs to be exposed.