In other words, with katanagari policy, the government sought to directly deter the peasants from forming ikki by disarming the soson (a community consisting of peasants' self-governing association) which would otherwise have the physical power to have peasants form an ikki league and revolt against the government.
つまり、百姓身分の者が一揆を結成して政権に異議申し立てをする物理的実力たる惣村を武装解除し、一揆の結成そのものを抑止しようとしたというのである。