Equity and trust- certainty of objects

In Re Wright’s Will Trust the court of appeal unanimously decided that property left to trustees to distribute at their discretion among such people and institutions as they think have helped me or my late husband’ void for uncertainty with almost no analysis of Mcphail v Doulton and no reference at all to Re Baden No2. By reference to the principles of certainity of object set out on Mcphail and Baden write a case commentary on Re Wright’s Will Trust including your view on whether the case was correctly decided.