‘Consideration there must still be but in my judgment the courts nowadays should be more ready to find its existence so as to reflect the intention of the parties to the contract where the bargaining powers are not unequal and where the finding of consideration reflects the true intention of the partie.’ (Williams v Roffey Bros & Nicholls (Contractors) Ltd., 1990, per Russell LJ). Assess this view. Does it leave any useful function for the doctrine of promissory estoppel?