We don't actually know what Google's stance is, but we do know it would be illegal for them to cut off support to Israel even if they discovered that their software was being used to kill children.
On the face of it it seems odd that South Africa is both pursuing a case of genocide against Israel while also supplying Israel with most of their coal.
What many people seem to be unaware of is that countries are not free to unilaterally impose sanctions. Yes, the US does this regularly and essentially with impunity, but, to quote Wikipedia:
> According to Chapter VII of the United Nations Charter, only the UN Security Council has a mandate by the international community to apply sanctions (Article 41) that must be complied with by all UN member states (Article 2,2).