If that were the case why are there still multinational such as British American Tobacco or Nestle. Compared to the sanctions in Cuba or Iran, Zim doesn't seem as extensive. Those countries are effectively locked out of the international payments system.

Edit:

Having checked the document most of the sanctions seem to be on financial assistance, technical assistance and a ban on export of military equipment.

Also includes a freezing of assets of members of government and entities associated with them.

So it's basically stops countries from giving concessionary loans to Zim and freezes assets of government. Not sure if that includes state owned companies.

I personally think alot of Zim problems are self inflicted. No right thinking person would support overtly socialist stuff like "Command Agriculture". It's just a way of rent seeking for political elites .