Doing survey and statistical analysis is a profession, and everybody has a fundamental right to pursue this profession. Their result may be wrong or misleading or sponsered- those cannot be reason to ban them.
Let us take the first point- they are sponsered. We all admit that they are done by news media. If those polls are sponsered, dont you think that news media is sponsered. On this logic, we should ban news media.
Let us take the second issue that their predictions are wrong. You cant ban something merely because they produce wrong result. You cant ban reserve bank merely because all their inflation and interest reate predictions are wrong. You cant ban various development agnecies because their growth projections are wrong. You cant ban courts because their judgments are wrong and set aside in appeal. You cant ban lawyers because their arguments are wrong. You cant ban things merely becasue it is wrong.
Let us take the third issue- they mislead the voting public. But that is waht democracy is all about. Politicians promises are misleading, ban them. Electoral propganda is misleading, ban them. Calim of political paries that they are winning election, ban them. Advertisement of politcal parties mislead people, ban them. Speeches of political leaders mislead people, ban them.
The demand for ban is a fasict demand. It is undemocratic. It is against liberty. It thinks people are idiots.
Let the pollsters do their survey, people are mature enough to decide.