Lots of women make a living selling khat so it probably wouldn’t be good to ban cold Turkey. History has shown when you ban a substance like during the prohibition organized crime startsBecause many Somalis are either drug (Khat) users, drug (Khat) addicts or drug (Khat) dealers. They won't implicate themselves.
It is approved at the highest level of government, the current President of Somalia (Farmaajo) allows his brother to import Khat from Ethiopia, in fact, he stopped other khat importers from bringing in the drug so his brother can monopolise the Khat market. This is the country we are dealing with.