I went to college for an agriculture degree. Planting seeds closer together (and breeding the plants to handle it well) is in fact a major method we have used to increase yeilds
But you notice in creating Germany they they didn't share a religion (Protestant vs Catholic), they didn't share a language, they didn't share a uniform culture, what they did have was a common enemy and the bones of the holy roman empire.
A nation doesn't have to be homogenous to be a nation. In fact no nation is homogenous. What makes a nation is identifying your compatriots as fellow members of the nation.
There is lots of fascinating research on conversational turn taking https://en.wikipedia.org/wiki/Turn-taking
What it sounds like you're encountering is a clash between the expected inter-turn intervals.
It's a very symbolic flag, Blue to represent the mighty Spokane river, Green to represent the abundant timber, and White to represent local white nationalism.