Ceasing assistance is a bit different than providing assistance to the enemy.
The US helped support Ukraine for several years. That was nice. Someone else can now redirect domestic resources to that cause. We've had our turn.
The real question is who benefits from the tall apocalyptic tales told to taxpayers that if families part with their dollars to at least equally corrupt foreign lands, they will be safer from the evil russians. It's not clear to me that the international meddling of the US this century has performed the claims of the war cries, and we're exhausted of servicing them.