They've priced those packages to make it look appealing to most people.
It may work out OK for you on a sea day but on port days it's almost impossible to even break even, no matter what some say on this board.
Convenient yes, practical no way.
We've cruised on the same ship with & without Starlink and I honestly couldn't see the difference in the early mornings.
Possibly during the busy parts of the day it might be more advantageous.