The British Science Association's president-elect Lord Krebs has agreed upon the benefits offered by the newly introduced nudge tactics. But he has doubted their potential uses, saying the same are provided in a limit.

The nudge unit or the Behavioural Insights Team was introduced by the coalition government in the year 2010. The aim, as per the findings, is to alter the way of presenting choices to people so that eventually a change in their behaviour is realized.

An example was also cited proving that the same works. A trial had found that a personalised letter with an image containing an unlicensed car works better than generic reminder letters to make owners renew licenses.

It is being said by him that government is partially right in its new strategy since fashionable "nudge" tactics can have an impact on the public's behaviour, but cannot act as an alternative to traditional approaches, changing society for its utmost good.

He had come up with his opinion at the British Science Festival in Aberdeen, wherein it was also affirmed that randomized control is being seen, but society's big problems are still where they were before. "Insights can help us, to some degree but no, they're not the alternative to other approaches", he said.