At least in circumstances such as the present, courts should be careful to conserve relief so that they do not, in commercial matters, substitute lawyerly conscience for the hard-headed decisions of business people: cf State Rail Authority of New South Wales v Heath Outdoor Pty Ltd (1986) 7 NSWLR 170 at 177 and Geftakis v Maritime Services Board of New South Wales (Court of Appeal, 20 November 1987, unreported). If courts do not show caution here they will effectively force on commercial parties terms which the court may think to be reasonable and as ought commonly to govern such a contract but which the parties have themselves held back from concluding. Moreover, the contract then enforced will not be that which the parties have concurred in but a different one, determined by the court: cf Kitto J in Whitlock at 457.
30 Mr Hall also referred to the decision of Peterson J in Scanruby v Caltex [2001] NSWIRComm 8 where his Honour said at [66], [67] and [85]:
66 I have formed the opinion that the expectation of Scanruby was not totally unjustified or a fabrication but that it never crystallised as even an informal offer, let alone an agreement. The tenure to be finally offered was hoped by Scanruby to be, but never actually confirmed as, a nine or ten year term, including option periods. While the circumstances of the provision of the initial agreements and leases left Scanruby in a position where it felt little if any alternative could be taken to execute them, there remains in the evidence a conundrum I have found extremely difficult to understand, if Scanruby's position was then as it is now claimed. That is that neither then nor at any stage thereafter in all the sequence of events and discussions through 1993 to 1998 that I have summarised, did Mr Dimis, or anybody else on Scanruby's behalf, including Mr Zacharatos, ever mention to a Caltex representative that Caltex had failed to honour a promise that Scanruby would have at least nine or ten years at the F3 site. If the expectation was grounded in some positive statement on behalf of Caltex to that effect, I find it impossible to understand how it could not have been identified repeatedly by Scanruby in the many discussions I have referred to. Equally how could that understanding of the parties' intention not be the subject of a note, letter or minute. Where there is to be found any such reference it is oblique and, taking into account the minutes from which I have extracted parts, suggestive of a desire rather than a perceived right. For example, there seems to me to be a world of difference between the minutes recording Mr Dimis having said "We need long tenure" and an alternative postulation such as "We need the long tenure we were promised at the outset by X on behalf of Caltex".