—“Why should I be barred from contributing to the growth of another who would in turn contribute to my own growth?”— Bennard Ebanks
When doing so imposes costs upon others by externality, who tolerate your presence only under the condition that you do not do so.
Groups differ in the degree of suppression of externalization of costs. High trust high performance, homogenous polities are intolerant – and because they are, they have the choice. Low trust, heterogeneous, low performing are tolerant. Because they have no other choice.