> Why must we assume that? Because you should distrust flawed methodologies by default. The incorrect assumption is that the sample produced by a known flawed

> Why must we assume that? Because you should distrust flawed methodologies by default. The incorrect assumption is that the sample produced by a known flawed methodology is representative. > Its just a flat out arbitrary assumption. It is not at all arbitrary. It is based on well known issues with this particular method of sampling.