>The Federal Insecticide, Fungicide, and Rodenticide Actpreempts a state-law labeling requirement that differs from the federal labeling requirements imposed under FIFRA.
In other words, they don't have immunity from cancer lawsuits. They have immunity from cancer lawsuits stemming from being noncompliant with state labeling laws.
This court decision wasn't about legalizing Roundup. Roundup was already 100% legal before this court decision, so there is zero reason for anyone to have pushed this court to legalize it. Even if the US suddenly decided to make Roundup illegal to use, in what way would that prevent Israel (or any other country outside of the US) from using it? Not only is what you are saying factually wrong, it wouldn't make any sense even if it were true.