Why not let users change settings of disabled features?

1. How do I stop people from changing my settings?
2. How to allow a standard Windows 10 user to change the time and date?

How do I stop people from changing my settings?

Under User Configuration, select Administrative Templates > Control Panel. Then, right-click Prohibit access to Control Panel and PC settings and select Edit. Click on the Enabled radial button. Click on OK to close the dialog box and apply the changes.

How to allow a standard Windows 10 user to change the time and date?

In Local Computer Policy > Computer Configuration > Windows Settings > Security Settings > Local Policies > User Rights Assignment there is a policy called Change the system time.