The Expanse has a different problem, it has a believable future, but the scientist/doctor characters are evil, I suppose Alex Kamal (pilot) and Naomi Nagata (engineer) are somewhat inspirational characters.
One of the things that the show has improved upon from the books actually is the representation of the antagonists. For some reason the book writers cannot do a complicated, intelligent antagonist. The main heavy in each of the books is either a mustache-twirling villain who is very straightforward, or else a total idiot. This might be in part because relatively few of the antagonists have POV chapters.