The other day, my mother-in-law said she was very impressed by how my 2-year old took care of four little baby dolls. He carefully set them up beside each other on a couch and then lovingly gave them each dishes as he pretended to feed them. She thought, "He is so nurturing!"
Then, today, she heard a banging noise. She followed the noise and found him standing up and repeatedly banging one of the dolls against their wood floor.
Grandma: "What are you doing?"
2-year old: "Hitting the baby on the floor."
Grandma: "Don't you think that will hurt the baby and make it cry?"
2-year old: "No." (More banging)
That takes care of any notion that Grandma might have of our 2-year old being nurturing, or at least in a way we might define it.
When our oldest son was two years old, he was found by his other grandma repeatedly bashing a truck against their cement steps. He then paused, looked up at her, and said, "Good truck, Grandma. Good truck." Seriously, it was as if he was simply testing its durability - and nothing else.
So, it could just be the age, plus I did see our 2-year old sneaking up to give our 10-month old a little kiss this evening, so maybe there is hope for him yet.