What would be the outcome if ICJ correctly rules that Israel is acting on genocidal intent?

The ICJ case filed by South Africa I feel is the only concerted campaign I am seeing that pressuring Israel against committing genocidal settler colonialism (outside of the resistance by some Arab countries).

If ICJ is not a kangaroo court they will end up ruling their actions as genocide. The evidence is plenty.

Can any good come out of it? Or is it hot air?