And we judge them by the integrity of their avatar, less about the stance they are making.
Most people aren't interested in convincing the opposition that his/her argument is valid, let alone convince the other to his/her side of the argument to begin with.
And when the person presenting an argument is summarily rejected by most, if not all, posting rebuttals...that person refuses to even consider why. (Should I name names?)
There isn't many but there are some people here who actually try to understand the other persons point of view. But it seems the most vocal people, will stand by their views no matter how much evidence is thrown there way. Those people I just tend to ignore. Sometimes people also need to understand there isn't a right or wrong answers, just different opinions.
Short Answer: Yes
Slightly Longer Answer: Yes. But it's fun as hell to see people get riled up.
"Be polite, be professional, but have a plan to kill everybody you meet.” - General James Mattis
Eh, I've had some pretty good discussions with people who hold entirely opposite views on here. Given, they're usually a minority, but they work out pretty well. We might not change anyone's views, but I can at least say that they more accurately understand why the opposite side holds the views that they hold.