The "attitude" as you put it is her love for playing--for the sport. Its not something to pay the bills or representatives and coaches.
It was not thinly veiled--I was clear that Navatilova seemed to only function on tour--her entire ego/identity was tied to it, which is why she--as a commentator--would routinely attack players, especially players who were superior to her (like Graf) or would be as she watched it unfold as a viewer (like Serena). You will not, nor have you seen Serena go on and on about the alleged shortcomings of other players; there are players she's not fond of, but she does not trash them as a means of "protecting" her own legacy or because someone else succeeds in a way different than her method. That's Navratilova.