Seriously however, what BitCryptex said:
I don't think that it affects decentralisation in a positive way, but forcing someone to route payments is pointless and could be frustrating.
you both need to read the OP again
could the obverse be achieved by allowing clients to preferentially route through nodes with some definition of "fewer" channels?
I understand what you are saying that this in theory might help I just see it being gamed by people.
"Oh, people want to use nodes with fewer channels, cool, instead of having 1 big one with lots of channels I'll spin up a ton of smaller ones and charge a higher fee"
if "don't use this route" gets gamed, "do use this route" cannot be
if you fail to understand this a second time, you won't be posting in this thread again, as unfortunately there's little difference between someone who cannot grasp something and someone who pretends not to be able to grasp something in order to be obstructive