Lord Clyde stated in Phelps v Hillingdon LBC [2001] 2 AC 619 HL 671-72 that policy considerations

“have the advantage of flexibility, enabling the court to define the boundaries of claims for negligence, in the light of new situations and the recognition that incremental growth may require to be controlled, albeit at the risk of some uncertainty, at least in the prediction of the directions in which the law may develop.”

Critically analyse this statement using examples from case law to illustrate your argument as to whether you agree or disagree with the above statement.
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