CSS co-designer Steven Pemberton stated that the !important keyword was added to CSS due to US laws requiring certain text to be in a given font size. He claimed that anything else is probably misuse and a sign of not understanding the cascade properly. The commenters discussed the practicality and usefulness of !important in real-world front-end development. They shared their experiences and opinions on when and how to use !important, with some arguing it is necessary and others claiming it is a sign of poor CSS structure.