Comment by NoMoreNicksLeft

>the solution is to demand constitutional and law-following behavior from both/all teams

This is only a solution if you can reasonably anticipate the demands being obeyed. If instead you anticipate that they won't be obeyed (by one or both parties), then it only puts your team at a disadvantage. The other team knows this, so they tend to ignore or ridicule any such demands and to whip their team into ignoring and ridiculing those demands. At which point, your team suffers.

Cooperation strategies in an adversarial system only work in a limited set of highly unusual circumstances, and those circumstances aren't currently extant.