Plenty is doing.
"In Great Britain at the moment, when half or perhaps two-thirds of all the married people are regulating their families, children are being freely born to the Irish Roman Catholics and the Polish, Russian and German Jews....to the thriftless and irresponsible, the casual labourers and other denizens of the one-roomed tenements of our great cities. This can hardly result in anything but national deterioration."
Disclaimer: this quote appears here only to spark discussion. It is not endorsed one way or the other. Make up your own mind. Or just refresh the page for another viewpoint. From a collection assembled by the late Chris Brand.