[discoursism]

Unless you are disabled, moving between adjacent floors is pretty easy with stairs. And lots of types of disabilities that would prevent the use of stairs would seem to make these risky or impossible to ride. All in all, I'm pretty happy these never caught on.

[abricot]

Add 15.5s per floor, no perspiration, bring a cup of coffee.

Sure, if you love stairs by all means take them. But no, it's just not convenient on the same level.