Sure, but is <dialog> going to work seamlessly with that if it isn't aware of positioning outside of the top layer? It could be that it is, but this is just an

Sure, but is <dialog> going to work seamlessly with that if it isn't aware of positioning outside of the top layer? It could be that it is, but this is just an example of the kind of relatively common case that these maligned libraries cover that the spec often doesn't acknowledge.