No, I use the umbrella when I am out in my power wheelchair,

and I am either holding it above my head to keep the sun off/prevent people from walking into me because they're not looking where they are going

or rolling it up and pressing buttons with it

or rolling it up and having it sit in my large handbag hanging off my wheelchair (neither the tip of the umbrella nor the handle of the umbrella touching the ground)

It also gives me more reach, which is important - I would not be able to press the lift door open button and get into the lift before the lift door closes without that extra reach

or press the train door open button and get into the train before the train door closes without that extra reach