For who I like, it's probably just a personality thing... and be sure, I'm not saying my opinion is objective or even going to be convincing to anyone else, it's just the way I feel about the two of them.
What they are willing to do and how they view themselves is not that different, I totally admit that - both are cut throat and see themselves as superior to others.
BUT when I am listening to them speak about their plans and about the other people on their team or against them, and how they speak to others even just the look in their eyes, Rob's tone and general style is so much less abrasive to me and less trollish than Russell.
As for the admiration thing, I should try to be a bit more objective, so I guess it's because I really do think Rob is much better at reading individual people and catering his game to them specifically.
For instance, the way Rob went after crazy pink panties was EXACTLY right... and he totally gets that the cupidoll girl is going to be resentful for his bumping out Fabio 2.0. And that he was going to have to work extra hard to win her back and might not be able to. He knew right away who the real players were as well from very early on and how to deal with them.
Russell pretty much uses the same method on everyone, he is who he is and either you're on board or you're not. And as you've admitted, even though people have seen this method already - he's STILL not altering his methods to cater to the people he has on his team right now.
So working through all that, the bottom line of Rob over Russell for me, is that Rob's method is individual reading and catering where as Russell just is Russell. And I don't like Russell. :lol