They plan to deorbit after ~5-7 years, will replace with better, newer tech sats. It hasn't been done because the launch capacity and costs to date hasn't allo

They plan to deorbit after ~5-7 years, will replace with better, newer tech sats. It hasn't been done because the launch capacity and costs to date hasn't allowed for it. These will be launched via FH or BFR, which will be able to launch up many, many more at a time compared to the current F9.