A Critical opinion (n.) is useful only to someone who can still change the thing.
A Critical opinion (n.) is usually requested by people hoping for praise with a few footnotes.
A Critical opinion (n.) is free to give and priced accordingly.
Critical opinion (n.) is expected within a day of the thing appearing, which decides most of what it says.
Dissenting opinion (legal) (n.) is an opinion written by a judge who disagrees with the court's majority decision.
A Dissenting opinion (legal) (n.) is losing the vote and getting the last word anyway.
A Dissenting opinion (legal) (n.) requires a tie, a power of attorney or a thick wallet.
Dissenting opinion (legal) (n.) is not simply to say, my colleagues are wrong; rather, it is written for tomorrow, as the greatest dissents become court opinions and gradually over time their views become the dominant view.
Diversity of opinion (n.) is admired in the abstract and resented at the table.
Diversity of opinion (n.) is valuable — Uniformity of opinion is no more desirable than that of face and stature.
Popular opinion (n.) moves like a crowd leaving a building, each person following the one in front and calling it a decision.
Popular opinion (n.) changes fastest in the people who insist they never followed it.
Popular opinion (n.) is mostly people reporting what they believe other people believe.
Popular opinion (n.) is everything — There’s no right, there’s no wrong; there’s only popular opinion.