Earlier quoted context omitted.
> the "dangers" of multiculturalism, gender and ethnic diversity I don't know if "dangers" is your word or his, but it's been shown (a priori and a posteriori) that multiculturalism and ethnic diversity erodes trust and causes social strive. This is opposed to cultural pluralism, where a dominant culture exists and tolerates additional values that don't erode or threaten the dominant culture. The reason I comment is…
And your unquoted "proof" is gathered exactly how? You state something as a standing fact without giving us the ability to check the stated facts (and underlying methodologies) ourselves. So it seems to me that people using arguing strategies like you just seem to have done are eroding "trust" in a rational discussion more then anything else. Tactics like these are well below what I personally would classify as honor…
> Harvard political scientist Robert Putnam -- famous for "Bowling Alone," his 2000 book on declining civic engagement -- has found that the greater the diversity in a community, the fewer people vote and the less they volunteer, the less they give to charity and work on community projects. In the most diverse communities, neighbors trust one another about half as much as they do in the most homogenous settings. The study, the largest ever on civic engagement in America, found that virtually all measures of civic health are lower in more diverse settings.
"The extent of the effect is shocking," says Scott Page, a University of Michigan political scientist.
http://archive.boston.com/news/globe/ideas/articles/2007/08/...