I don't know why. How many different ways do companies have to look at me to understand I am broke?
If you are in the US: Should you support Israel?
If you are in the UK: Should you vote to leave the EU?
If you are in Germany: Should you support US troops in Asia?
If you are in Australia: Should you support economic treaties with China?
Advertising techniques can sway you - and large portions of the population - into supporting or not supporting many facets of policy. If the Arab states want to destroy the Jewish state today, they would not send troops. They would fund influence of opinion of the American and European population.
Actually, they already do.
Unfortunately, the average person's intelligence has remained constant.