No it's actually much more nuanced than that. Because if this was the first dealing of this kind between these two individuals it's likely the court would have

No it's actually much more nuanced than that. Because if this was the first dealing of this kind between these two individuals it's likely the court would have ruled the other way. Contract law is very nuanced taking in the mindset at the time when the contract was agreed upon. A better tldr would be the case revolves around if you have a history of informal contract acceptance, future informal contracts will be judged against that.