The robocaller opens a browser, fills out the details, then hits submit on behalf of the person they got to sign up. Exactly like a human would. Except that y

The robocaller opens a browser, fills out the details, then hits submit on behalf of the person they got to sign up. Exactly like a human would. Except that you automate it. But still the request looks a lot like it comes from a real person. And if you've got access to a botnet, the request will likely be coming from a real home computer as well.