They have a lack of marketable personalities.
As she proudly tells us, the book received good reviews and sold well, thus establishing Ms. Ferguson as a credible, sensible, marketable personality in her own right.
At this time, Lillee was one of the most marketable personalities in Australia, but he was frustrated by the small amounts that he earned from the game.
Comes down to the same old issue: that publishers are looking for marketable personality as much as writing qualities.
You forgot "a marketable personality".
Miller is known for his highly marketable personality and on-court style.
Comparatively weak in wrestling ability, his marketable personality and barefoot acrobatics attracted fans and made him a national superstar, especially popular among Italian and Hispanic fans.
By performing such studies a brand is able to extract "marketable" personalities; thus creating "livable brand personas".
Then he turned Sonnet's owner, Joe Bernstein, into a marketable personality.
Greg's lovable, marketable personality developed through improvisation.