Good question. I think the main difference is that it is so much easier to visit an annoying website then to download an annoying app. And your GP mentions how

Good question. I think the main difference is that it is so much easier to visit an annoying website then to download an annoying app. And your GP mentions how a good compromise is to grant this access only to websites you install to your home screen (which I think is a comparable action to downloading an app).