The bottom line is and always will be in almost any industry some variation of “we already set up hardware that was developed solely to use this ancient thing that’s a standard. Once this new thing becomes industry standard, then we’ll switch.” With the big issue there being, the industry standard will never change until somebody makes the first change and nobody wants to risk the amount of money it would cost to switch.
The bottom line is and always will be in almost any industry some variation of “we already set up hardware that was developed solely to use this ancient thing that’s a standard. Once this new thing becomes industry standard, then we’ll switch.” With the big issue there being, the industry standard will never change until somebody makes the first change and nobody wants to risk the amount of money it would cost to switch.