My model is that there are groups of people with common personal-life interests, such as raising the status of one sub-group or another. Those who can band together to exert coordinated social pressure, win.

There is no reason to expect different stable coalitions of such groups require equally large footprints of politicized subjects. Let alone that all such subjects are equally important for the common good! I'm saying that ceteris paribus the less politicized the result of a such a collation is the better off society as a whole will be.

Perhaps stable coalitions requiring small footprints have other remarkably negative externalities that nearly always outweigh the gains in areas of life free from politicization. But considering just what a horrible cancer on action and the greater good politicking seems to be, I'm somewhat dubious this is commonly the case.

People adopting a general stance of opposing "the personal is the political" subsidize smaller footprint coalitions. Naturally such subsidizing has very small if not tiny effect, it still probably beats out the effect from voting also I would claim that under current circumstances it serves as a useful filter to finding interesting people.