Those who prefer their English sloppy have only themselves to thank if the advertisement writer uses his mastery of the vocabulary and syntax to mislead their weak minds.
The English language has a deceptive air of simplicity; so have some little frocks; but they are both not the kind of thing you can run up in half an hour with a machine.
Lawyers enjoy a little mystery, you know. Why, if everybody came forward and told the truth, the whole truth, and nothing but the truth straight out, we should all retire to the workhouse.