Some of the minor characters are thinly drawn (particularly Luvlee, who never manifests the femme fatale qualities her plot function seems to require).

The other characters are thinly drawn - traced, really, from faded television-series blueprints - and the baroque busyness of the plot is a poor substitute for complexity.

Not all the connections are so thinly drawn.

Within this hirsute oval stretched a small, thinly drawn mouth, downturned, so that it gave the impression of a vinegary disposition.

The blanket condemnation of beer's involvement in sports sponsorships is, at best, thinly drawn and basically unfair.

But it's not terribly involving because the characters are too thinly drawn.

The book additionally noted a contrast to other characters in the series, in that Brock is drawn with "thinly drawn eyes and slightly darker skin tone".

Despite thinly drawn characters and a predictable order of fatalities (look out, socially awkward nerd!)

Even Bob, who is depicted almost exclusively at work, remains thinly drawn.

That would explain why the characters are thinly drawn and generic, a common feature in fiction with a demographic agenda.