It's a simpler experience to just dl the app and install it when it's bundled and less chance of something odd breaking your app for your users. Unbundled you w

It's a simpler experience to just dl the app and install it when it's bundled and less chance of something odd breaking your app for your users. Unbundled you wind up with either a Java situation where you have to get your users to install a particular runtime because you built with a particular one or a MS runtime where every app comes bundled with it's own copy to make sure you have the right one so there's not that big of a savings.