Have I mised something or it's just a methaphor?
It's a vision in my mind. I agree to the author's opinion and work towards a future where the Lisk client will be your gate to blockchain applications/services built on Lisk, which are interlinked and may build upon each other. (Personal opinion, therefore I posted it from my own Twitter account. I do it from time to time.)
You are welcome. I believe Lisk will be at the forefront of the Web 3.0.
Sounds feasible. Another great niche for Lisk would be IoT -- most devices have already implemented JS APIs.