I am opposed to Mugabe's communism, but unlike you, I am for undoing what he did and returning what he stole to it's rightful owners. You on the other hand probably think that the land is rightfully theirs since you have already equated the white Africans with Soviet occupiers.
The white Africans are, in Mugabe's view and in the view of the people in power in Zimbabwe, aliens representing an unwelcome alien culture. If you support Latvia's sovereign right to treat certain of its citizens differently on ethnic grounds, then you must also support Zimbabwe's sovereign right to do so.
Or, is the situation somehow different in your mind?
Which rightful owners, and it should be returned, but to which? The English imperial colonists or the natives who owned that land for thousands of years first?