To be fair though, the people who fund the research are not the people who lose out if the publisher isn’t paid their £30. They are very often governmental or inter-governmental research agencies and programmes. Realistically it is rare for anyone except from the publisher to care about free distribution. The publishers are however pretty vicious (e.g. Swartz’s case).
Best bit is with those colours you could create an infinite number of bro-bordered pool segments with each bro-bordered segment sharing a side with no other segment of the same colour.