The steps above still apply, albeit the user interface is a little different (it's just profiles not profile settings, for example). Right now though, it seems if you set Kodi to allow you to pick ...

Each profile has its ... at the top of the Safari interface. Open it up, and it lists the profiles you’ve created as well as the Tab Groups (if any) that you’ve set up inside that profile ...

Once again, you should see a new and slightly simplified version of the Disney Plus user interface on the app, with kid-friendly content. That’s how you set up a Disney Plus Kids Profile.