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Some ideas are just bad. Very, very bad. Like this blimp powered by 4 helicopters. [Info and vid inside]
(hexbear.net)
The Piasecki PA-97 Helistat was an American experimental heavy-lift aircraft, built by Piasecki by fastening four H-34J helicopters to a framework beneath a helium-inflated blimp envelope. The sole prototype was destroyed during a test flight, killing a test pilot and injuring another four in the course of a single incident in 1986.
NSFW Video - https://www.youtube.com/watch?v=4KY3A2HlbzQ - it's barely off the ground when it crashes at ~1:00.
Railways demand very strict limits on the incline and the curvature of turns, which are the reason that tunnels are used so often, when railroads are built through mountains. And also you need to transport a lot of cargo, when building a railroad through mountains. Mountains are pretty much the worst case for railroads.
Comrade, the joke is that I'm proposing a bad idea.
There are people, who would propose it unironically.
Funicular.