Corruption of science: Why are governments not banning Monsanto's Roundup?

The question is if there is evidence of its toxicity, why are governments not banning it?

There is one chemical that is igniting much fuss these days — legislators in New Zealand want it banned; South African leaders are asking why they are continuing to use it; closer to home in Sri Lanka it is being discussed in Parliament. Europe last year went through a bitter, high-volume contention on whether it should renew its licence for use. It first dithered, then gave a limited renewal, and finally, in November 2017 it agreed to a five-year extension. But the debate rages on and refuses to go away.
 
It is argued that the chemical is toxic to