I’m a bit confused... (nothing really new, there

)...
I thought the radio buttons directly selected the route plotting mode, and that at least one of them had to be selected (since it looks like a radio button array)?
If it is possible to unselect them all, what does the route plotter do when it tries to plot a route to a distant star? Does it always use the last mode selected, always use “Fast”, always use “Economical”, or something else entirely?
I would really like to get rid of the blue sea-urchin a lot of the time, but retain whichever plot mode I wanted. Which probably means I am in favour of the OP, but I really have no idea what is going on now
