No money to be strip mined from Tanzania. There was no narrative incentive/payoff to take this country out through the "virus" With an annual GDP per capita of USD 532 (2011) and a Human Development Index rank among the lowest 20%, Tanzania is one of the poorest 15 nations in the world. More than two-thirds of the population live below the internationally recognized income poverty line of USD 1.25 per day and almost 90 pct. https://um.dk/en/danida-en/strategies%20and%20priorities/country-policies/tanzania/current-and-future-challenges-and-opportunities-in-tanzania/ China must have not cared to take control over any part of their economy, which is strange because they do have some precious metal mining going on: Natural Resources in Tanzania Apart from wealth in agriculture, forestry and wildlife land, Tanzania is also very rich in minerals such as gold, diamond, iron, coal, nickel, tanzanite, uranium and natural gas. Recently natural offshore gas deposits have been discovered. https://en.wikipedia.org/wiki/Natural_resources_use_in_Tanzania#:~:text=6%20Notes-,Natural%20Resources%20in%20Tanzania,gas%20deposits%20have%20been%20discovered.