How so? So people can use Q's and Z's in their passwords? What would your business case look like? "Hey everybody let's spend $500 million so people can use arbitrary passwords, because [entropy], never mind most people use the name of their cat anyway?"
As ridiculous as that pitch might sound, it makes the implied security-money tradeoff directly visible to management and causes them to make a formal decision.
How so? if it's been used for 60 years, how many records do you think would be compromised if someone gained access to the system? Millions? Billions? Sounds like a good reason to 'modernize' to me.
The target breach would be nothing compared to the breach of a system in use for 60 years.
How so? So people can use Q's and Z's in their passwords? What would your business case look like? "Hey everybody let's spend $500 million so people can use arbitrary passwords, because [entropy], never mind most people use the name of their cat anyway?"