Pitfalls of using array as a model are not documented

import QtQuick 2.7
import QtQuick.Controls 2.2

ApplicationWindow {
    width: 640
    height: 480
    visible: true

    ListView {
        id: listView
        anchors.fill: parent
        clip: true

        model: ["a", "b", "c"]
        delegate: Row {
            spacing: 10

            Label {
                text: modelData
            }
            Button {
                text: "Modify"
                onClicked: {
                    listView.model[index] = "modified"
                    print(JSON.stringify(listView.model))
                }
            }
            Button {
                text: "Remove"
                onClicked: {
                    listView.model.splice(index, 1)
                    print(JSON.stringify(listView.model))
                }
            }
        }
    }
}