I agree, it is a looks problem. Capability wise, Siri and Google assistant do most of what rabbit did. They are well positioned to be able to expand every bit as quickly as rabbit can.
You do realize Google and Apple control 100% of the phone market, right? They don't need Rabbit's interaction data. They have their own. Their beta users probably provide more data than Rabbit's whole user base will.
Isn't harmony os 4 still running their kernel side by side with Linux and ostensibly still using android? If harmony os next takes off that will be interesting.
The dumb part here is a company getting attention for making a virtual assistant just because they added "AI".