You seem to be saying something along the lines of: 'Hey look people have built these houses on sand and they are fine after 2 years, so its fine to keep buildi

You seem to be saying something along the lines of: 'Hey look people have built these houses on sand and they are fine after 2 years, so its fine to keep building more houses on sand" Just because something works for a while does not mean its a good long term situation, unless you were saying something else which I failed to decipher.