Well before.
And “refuse to change their ways” - are you going to underwrite the project to implement a transition and hold all the liability for the risks?
Its not like changing systems is just a click of a button, this is an extensive project, that you better get right or you’re dealing with records going the wrong way, potentially having serious life and safety implications.
Plus, you have to maintain this legacy fax system because not everyone else has migrated to something new. So for the remainder of your career, it still doesn’t go away, and you’ll have to continue to pay for its maintenance.
Companies have systems they’ve built up over years, that works. They’ll move forward as it makes fiscal sense.
Probably lowering max frame rate, so game feels faster.