edgecrusher,
Everyone has opinions, and sometimes my opinion might be that someone else's opinion isn't very well founded. Sometimes, it seems apparent that the person expressing an opinion does so without even considering the topic (in short, they're just talking out their butt). If I notice that, I might feel like pointing it out. Does that make me arrogant? Perhaps, but be careful coloring me with that brush, lest you expose yourself to be a hypocrite.
__________________
In search of what to search for.