Half the world population could be diabetic or insulin resistant by 2050
fortune.com
fortune.com
Knowledge of that generally isn't the problem though. It is that dietary change is fundamentally too difficult for most people to psychologically pull off day after day.
The issue is more fundamental. They are not identifying the right problem that needs solving. For most people, awareness of what is bad for them is not the issue.
Even if this AI could provide a useful service, I am sure there would be major conflicts of interest. If a corporation has a large user-base sending them pictures of every meal, they are definitely going to be mining and selling that data. And the major food companies (who largely got us into this health mess) will hone their targeted advertising.