I mean, he spent time with Goten, though that seemed out of necessity, and at least seemed happy for Gohan and Videl, yet he once again left his family the first chance he got. Though the end credits imply he cares about them....or likes them. Does this prove Goku does care or doesn't? Or does he just not give a crap about Goten and Gohan was the favorite?
"Goodbye, son"
"Goodbye, son"