[TeMPOraL]

> I've pretty firmly condemned lack of intellectual rigor for a long time, and by far the most common response I've gotten is "not everyone has the time or will to try to become informed on every issue".

Yeah. A lot of people don't seem to realize that not having an opinion is also a viable, and in those cases the right, option. But it ties to:

> The only reason I can imagine is wanting to feel and seem informed without putting in any of the time to become so.

I'll give you another one - signaling. Especially in debates that have some audience, it's a way for people to show their allegiance. The argument doesn't even have to convince anyone. It seems that most arguments on social media go like this.