I don't mind Ferrer off court or Nadal or almost any other player. I 'judge' them while on court.
When you talk about style of the game, Ferrer is one of the last persons on tour I could root for.
I also don't like his personality on court. His delayed grunts are too disgusting for me to like, and he always looks pumped running around like a bulldog and celebrating too much.
I lost some respect for Nadal after he bumped Rosol at the changeover, really uncool. And don't like his fixed eyes on the opponent like he's some sort of MMA fighter or whatnot.
But I'm far from hating them.
Haas is an exception though. He's not your typical german, he's very emotional and self critical. Sometimes looks like he's gonna get out of his skin. Kicking his legs with a racket, talking to himself, swearing in german.....
But you will never see him being disrespectful to the opponent and you won't see him celebrating every point that much, if any.
In general I like calm guys, with certain amount of self criticism which is more expressed by Haas than the likes of Kohli or Stan, Fed etc etc...