In 2008, this was an incredibly unpopular opinion.

Instead, an informal consensus in high places decreed that 'it wouldn't do' to publicise 'unpopular opinions'.

As students have become paying customers, tutors have grown concerned that they should avoid challenging views or discussing unpopular opinions.

The defense argued that her broadcasts stated unpopular opinions but did not amount to treasonable conduct.

Sometimes she expressed unpopular opinions.