Usually their unreal because people are dull, less creative, and much more simple than characters in books.
But at the same time they can sometimes suprprise you.
In books, people have personalities that differ way more than what they do in real life.
To quote Yahtzee "People are

. You're

, I'm

, the world is

. And if you're sitting there thinking 'Yes it's true, everyone is

except me'. Then you're a double bacon

with large fries, mr.

".
No I don't hate humanity

People are people(=

) and that's why the world works(mostly).
No, srsly, I don't hate people.