This is a heavy insolvency and security case, but the small-business lesson is clear. When money is advanced quickly, when directors are under pressure, when property is being used as security, and when company money mixes with personal or related-party assets, later litigation can become brutally technical.
The Court did not treat labels as enough. A deed clause that referred to a caveatable interest did not create the equitable charge the Hu parties wanted. The Great Lands mortgage was declared void against the bankruptcy trustee under section 121 of the Bankruptcy Act because the good faith defence was not made out. Other proprietary claims succeeded in different ways, including constructive trust and subrogation reasoning.
For founders and family businesses, the practical rule is to slow down before signing security documents or moving assets when creditors are circling. Get independent advice, record the value given, check solvency, identify whose money is being used and make the security mechanism say exactly what it is meant to do.