Television being a visual medium, the presentation of the news can indeed be inter-twined with the appearance of the news presenter.
But the audience should primarily tune in to a news broadcast to get significant substance, not to have the brain pondering over secondary issues like the physical features of a news reader.
In this era of millennials, station managers may opt to be liberal, when it comes to what a news broadcast should look like.
If this is allowed to go too far, however, it may be far too risky.
In-house grooming style guides ought to be alive to the general expectations and sensibilities of the average viewer.
Yes. An element of showbiz is acceptable to enhance the look and feel of a news broadcast.
But No. A viewer's concentration should not be sacrificed at the alter of aesthetics!