None unless it was crucial for that person to win that round. Like if there was a plan set in stone for them to go home and they won. Even then, they need to be social/strategic
I can't quantify numerically how much it would matter, but I think I think that if an individual was pegged as a challenge threat, and they survived a tribal council without immunity in once or twice, specifically near the end it would show they they were able to not only Outlast, and Outwit, but also Outplay.