Why ? Because I just read that 
The idea :
A streamer talked about a similar but different feature in another space game which is not a space game
But in Elite Dangerous some mechanics are already there to allow this..
limpet because
What I don't know about limpets because I never tested : what happens to limpets when we dock.
I know there are changes to do as it cannot fully behave like a pure limpet (eg : it has to be launch-able when landed)
Regards
The idea :
A streamer talked about a similar but different feature in another space game which is not a space game
limpet because
- it's need a controller so it's not "for free"
- it cannot go as far as you want
- it is not there forever
- it can be destroyed
- it's quite big and so cannot go inside settlement buildings
What I don't know about limpets because I never tested : what happens to limpets when we dock.
I know there are changes to do as it cannot fully behave like a pure limpet (eg : it has to be launch-able when landed)
Regards