Interesting concept. One should take only if visiting Soho.The escalate itself are not wort visiting but ones you hit Soho it's great.
One should take the ride up as its a steep hill. When one gets to Soho, one can enjoy seeing the international cuisine restaurants rolling away as the escalator keeps moving. I visited in the dusk,the feeling one gets seeing all those great looking cafes and bars lined up on both side of hills was fun.