The first post was political, it is a notice of an event which is political and the selective historical context is political, but that does not mean it should not be allowed on this site.
Criticising Israeli government policy, whether from the Left or Right, does not make you a racist. However, there are clearly some opponents of Israel who are racist, as pointed out today by the rather left wing Fidel Castro - http://www.bbc.co.uk/news/world-us-canada-11226158
Since the early 20th Century anti-Semitism has not been confined to Europe. Jews have experienced anti-Semitism and persecusion across the Arab world as well as in Europe and other continents.
Suggesting that part of the problem is birth rates is a double standard itself. Many religious Jewish families in Israel, as well as religious Muslim families in Palestine, have large families. A high birth rate is not the problem and I find the suggestion that the children are the problem very problematic itself.
The Ottoman empire did allow for peaceful coexistence between Muslims and Jews (at a time when anti-Semitism was endemic across most of Christian Europe), but the era of the Nation State overtook the European Empires a while ago. You might as well suggest that the British should reoccupy India and Pakistan to bring peace to these countries. Israel should have as much right to exist today as any other country that exists in the world today, and I hope that we will soon be able to say the same about Palestine. A two state solution in the area is the only workable solution in the era of the nation state.