I don't think anyone is claiming that we should only look at Togo and not other nations that have implemented successful policy. On the contrary, governors should look around the globe to find examples of success stories in order to build a corpus from which to learn about the realities of policymaking.

Shenzhen seems to be an example of making a small number of extremely wealthy individuals and a large number of sweatshop-tier factory labourers; I wouldn't class that as an example to follow unless you only care about creating millionaires.