Camera Ignore Group Children

class Example extends Phaser.Scene
{
    constructor ()
    {
        super();
    }

    preload () 
    {
        this.load.setBaseURL('https://cdn.phaserfiles.com/v410');
        this.load.image('einstein', 'assets/pics/ra-einstein.png');
    }

    create () 
    {
        const image = this.add.image(400, 300, 'einstein');

        this.UIText1 = this.add.text(0, 32, '0');
        this.UIText2 = this.add.text(0, 64, '0');
        this.UIText3 = this.add.text(540, 64, '3');
    
        this.cont1 = this.add.container();
        this.cont2 = this.add.container();
    
        this.cont1.add(this.UIText1);
        this.cont1.add(this.UIText2);
        this.cont2.add(this.UIText3);
    
        this.group = this.add.group();
        this.group.add(this.cont1);
        this.group.add(this.cont2);
        
        // Add in a new camera, the same size and position as the main camera
        const UICam = this.cameras.add(0, 0, 800, 600);
    
        // The main camera will not render the children
        this.cameras.main.ignore(this.group.getChildren());
    
        // The new UI Camera will not render the background image
        UICam.ignore(image);
    }

    update () 
    {
        this.UIText1.setText("Main camera rotation: " + this.cameras.main.rotation);
        this.UIText2.setText("Main camera zoom: " + this.cameras.main.zoom);
        this.UIText3.setText("lol: " + this.cont2.y);
    
        //wobble the container
        this.cont2.y = Math.sin(this.time.now / 100) * 10;
    
        this.cameras.main.setZoom(Math.abs(Math.sin(this.cameras.main.rotation)) * 0.5 + 1);
        this.cameras.main.rotation += 0.01;
    }
}

const config = {
    scale: { mode: Phaser.Scale.FIT },
    type: Phaser.AUTO,
    parent: 'game-container',
    width: 800,
    height: 600,
    scene: Example
};

const game = new Phaser.Game(config);