It does serve a purpose. It announces to everyone in their vicinity that this fragile human is deficient and should only be interacted with via great caution.
edit: I don't understand the downvotes here. Is it considered poor manners to point out that people don't get to control how people perceive them?
edit: I don't understand the downvotes here. Is it considered poor manners to point out that people don't get to control how people perceive them?