Our distinctions between fact and opinion are not always casual. Even in daily life, in making many kinds of decisions, the distinction between fact and opinion can be an important one. To emphasize the variety of distinctions we commonly make, I briefly list a few more examples. It is warm in this room. It is 74 degrees Fahrenheit in this room.
Most mathematicians are Platonists on weekdays and formalists on Sundays.
Computers have revolutionized communication. Representative democracy is the best means of preserving individual liberty. Please consider your answer carefully before continuing. Philosophical niceties aside, it is difficult to see how we could function otherwise. On that basis, I claim the question is worth trying to answer.