Normally I would not react well if I saw a monologue reaching across three pages. I would feel a slight risk of dying of boredom before I reached the end.
I like to be proven wrong once in a while.
I have not read the script of this short, but it is a three minute soliloquy never the less. A working one.
Yes, of course you need a good actor to pull it off, but no actor in the world could make a poorly written text to shine.