How would it be possible for you to get your hands dirty from things on the ground, without ever having your hands touch the ground?
Your answer depends on your perspective.
I saw this sign recently on a college campus & it gave me pause for thought.
If, however, you get around in a wheelchair, it makes complete sense.
Ahhh the illumination & inclusion that can come from a wide perspective. And, the confusion & chaos that can be caused from a narrow one.