By City AM reporter [RE: Hargreaves Lansdown reaps cash interest reward as market growth pushes up assets under new CEO] Dear Editor, I write to express my concern about the insufficient efforts made by the financial industry to pass on the advantages of central bank rate hikes and recent windfalls to its clients. While some institutions champion a customer-first approach, promptly sharing benefits with those who entrust them with their funds, the majority seem to follow a different path. It appears that, after years of low interest rates, the prevailing banking playbook involves reaping the r…