Because the chances of them benefitting randomly but consistently on all fronts (money, territorial gains, diplomatic protection, political protection- see anti

Because the chances of them benefitting randomly but consistently on all fronts (money, territorial gains, diplomatic protection, political protection- see anti BDS laws-, military protection) and for decades is abysmally low. The only rational explanation is that all these actions' ultimate goal is to benefit Israel. (It's also perfectly rational that this is denied and alternative explanations are offered, because nobody would openly agree to be hijacked in favour of a separate entity).