Then your goal should be winning over the crowd. And the characteristics of people who emphasize "winning" as "destroying" are likely to turn off at least as many people as their public destruction of the other side turns on. So even in public debates, you should display the traits of winning over.

"And the characteristics of people who emphasize "winning" as "destroying" are likely to turn off at least as many people as their public destruction of the other side turns on." Are you sure this opinion is still based on evidence?