This is because if you can’t see a “Forgot Passcode” option, you can use this tool to bypass Screen Time passcode from all your iDevices. Not just removing it from a particular app or website.

Go to Screen Time and select the child’s name under the Family section. Tap Screen Time Management and choose Change Screen Time Passcode. Enter their Apple ID credentials to reset the passcode.

Screen Time launched in 2018 as part of iOS 12, providing parents with settings to remotely manage a child's device. For example, parents can restrict device usage to certain times, set time ...