So tired of your, and peoples like you, ignorance. You talk like you know something, but you are pretty clueless.
And try to understand that these systems are already used for maintenance. The actual discussion by people at the grown up table is about expanding the protocol beyond maintenance into constant use.
Among other issues you don't have the background to grasp at this time.
Yes, we should way costs and benefits, but since a large portion of these costs are already sunk, and we are talking about a device that is already used, and spreading that costs for 10+ years, it's a few pennies per ticket, in the worst cost case.