Checklists are important for safety. The most faded words are better than alleged memory. So, let us be safe.
*Run the pre-read checklist* Clear your mouth; (check). Put down drink; (check). Sit down; (check). *Checklist complete*
Pentagon's Best-Kept Secret: F-35 Fighter Is Progressing Nicely
That kind of misleading behaviour has a history. And has been covered before.
Here is an explanation from almost 3 years ago.