Is that a big thing for SA passport holders? Being a digital nomad often involves borders runs to reenter as a tourist, not really possible on an SA passport in most places.
You should travel, apart from what you said about natural surroundings the rest is fallacy.
Even on the point on natural surroundings, thinking somehow that there is nothing the entire planet offers that compares or exceeds what SA offers takes some mental gymnastics. Again you should travel a bit.
Africa
https://www.ppmattorneys.co.za/truth-behind-truecaller/
https://iafrikan.com/2017/11/09/how-the-truecaller-app-possibly-puts-your-privacy-at-risk/
https://qz.com/africa/1714872/nigeria-investigates-truecaller-amid-lagging-data-protection-laws/...
Not tried it no, but the files can be downloaded from an official Toyota source as per that post. There are rumours that in some markets the microphone is replaced by the dealers, although those who do the upgrade themselves post that it works fine without it