People vote for central views and parties because they are lazy: they promise what is safe to want. What no one will be angry with you or think badly of you if you want, what is consensual, what does not require effort to want, what one does not need to think about or formulate.
On the other hand, people vote for extreme views because of laziness: they promise simple easy solutions.
And this is true also for marriage life: we stay because we are lazy—we prefer the battles we know. And we get divorced because we are lazy—as if somewhere else the battles are easy.
Laziness also explains part of the tendency to explain so much with so little.
There are many kinds of laziness.