On iOS, if a superview’s userInteractionEnabled is NO, then all subviews are disabled as well?

You can override hitTest(_:withEvent:) to ignore the view itself, but still deliver touches to its subviews.

class ContainerStackView : UIStackView {
    override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
        let result = super.hitTest(point, with: event)
        if result == self { return nil }
        return result
    }
}