I agree. In the event I did make a mistake I can log on to online banking (or open the app on my phone) and make a almost instant transfer the money to another

I agree. In the event I did make a mistake I can log on to online banking (or open the app on my phone) and make a almost instant transfer the money to another account using faster payments for free. Even if these fees were assessed, it strikes me as an incredibly inefficient way to generate revenue.