Why can't I set an app limit of 0 minutes?

Hello sunshine4500,

Thanks for using Apple Support Communities. At least 1 minute is required to in order to add an app limit. We welcome your suggestions and encourage you to leave feedback if you'd like to see the option for 0 minutes in the future. Product Feedback - Apple

Have a nice day!

As a kid, I understand why parents want app limits and all however don't you think that having zero minutes is unhealthy for the kid's mental health I just want an understanding as for why you would want zero minutes in the first place