It can also just be a fun hobby. Old-fashioned soap making is a very approachable historical craft. (Modern soap making is also very approachable if you’re comfortable handling lye)

Crude soap is easy to make. Wood ash + water + fat. From there you just fiddle with ratios and timing while trying not to burn your skin off with strong alkalinity.

If your argument is that humans can only be “native” to southeast Africa… that’s dumb. It might be defensible in an ecological sense but sociologically the word is used differently.